Use portable format specifiers: Case %ld - localized - EMSGN.

Fix uses of localized "%ld" within EMSGN():
- Replace "%ld" with "%" PRId64.
- No argument cast needed. EMSGN() will take care of that.

src/buffer.c

@@ -916,7 +916,7 @@ do_buffer (
     if (start == DOBUF_FIRST) {
       /* don't warn when deleting */
       if (!unload)
-        EMSGN(_("E86: Buffer %ld does not exist"), count);
+        EMSGN(_("E86: Buffer %" PRId64 " does not exist"), count);
     } else if (dir == FORWARD)
       EMSG(_("E87: Cannot go beyond last buffer"));
     else
@@ -948,8 +948,8 @@ do_buffer (
         if (bufIsChanged(buf))
           return FAIL;
       } else {
-        EMSGN(_(
-                "E89: No write since last change for buffer %ld (add ! to override)"),
+        EMSGN(_("E89: No write since last change for buffer %" PRId64
+                " (add ! to override)"),
               buf->b_fnum);
         return FAIL;
       }
@@ -1575,7 +1575,7 @@ int buflist_getfile(int n, linenr_T lnum, int options, int forceit)
     if ((options & GETF_ALT) && n == 0)
       EMSG(_(e_noalt));
     else
-      EMSGN(_("E92: Buffer %ld not found"), n);
+      EMSGN(_("E92: Buffer %" PRId64 " not found"), n);
     return FAIL;
   }
 

src/diff.c

@@ -142,7 +142,7 @@ void diff_buf_add(buf_T *buf)
     }
   }
 
-  EMSGN(_("E96: Can not diff more than %ld buffers"), DB_COUNT);
+  EMSGN(_("E96: Can not diff more than %" PRId64 " buffers"), DB_COUNT);
 }
 
 /// Find buffer "buf" in the list of diff buffers for the current tab page.

src/ex_cmds.c

@@ -2460,7 +2460,7 @@ void do_wqall(exarg_T *eap)
         break;
       }
       if (buf->b_ffname == NULL) {
-        EMSGN(_("E141: No file name for buffer %ld"), (long)buf->b_fnum);
+        EMSGN(_("E141: No file name for buffer %" PRId64), buf->b_fnum);
         ++error;
       } else if (check_readonly(&eap->forceit, buf)
                  || check_overwrite(eap, buf, buf->b_fname, buf->b_ffname,
@@ -6123,7 +6123,7 @@ void ex_sign(exarg_T *eap)
 		foldOpenCursor();
 	    }
 	    else
-		EMSGN(_("E157: Invalid sign ID: %ld"), id);
+		EMSGN(_("E157: Invalid sign ID: %" PRId64), id);
 	}
 	else if (idx == SIGNCMD_UNPLACE)
 	{

src/ex_docmd.c

@@ -4267,7 +4267,7 @@ check_more (
       if (n == 1)
         EMSG(_("E173: 1 more file to edit"));
       else
-        EMSGN(_("E173: %ld more files to edit"), n);
+        EMSGN(_("E173: %" PRId64 " more files to edit"), n);
       quitmore = 2;                 /* next try to quit is allowed */
     }
     return FAIL;

src/if_cscope.c

@@ -623,7 +623,7 @@ cs_reading_emsg (
     int idx        /* connection index */
 )
 {
-  EMSGN(_("E262: error reading cscope connection %ld"), idx);
+  EMSGN(_("E262: error reading cscope connection %" PRId64), idx);
 }
 
 #define CSREAD_BUFSIZE  2048

src/memline.c

@@ -2085,7 +2085,7 @@ ml_get_buf (
       /* Avoid giving this message for a recursive call, may happen when
        * the GUI redraws part of the text. */
       ++recursive;
-      EMSGN(_("E315: ml_get: invalid lnum: %ld"), lnum);
+      EMSGN(_("E315: ml_get: invalid lnum: %" PRId64), lnum);
       --recursive;
     }
 errorret:
@@ -2117,7 +2117,7 @@ errorret:
         /* Avoid giving this message for a recursive call, may happen
          * when the GUI redraws part of the text. */
         ++recursive;
-        EMSGN(_("E316: ml_get: cannot find line %ld"), lnum);
+        EMSGN(_("E316: ml_get: cannot find line %" PRId64), lnum);
         --recursive;
       }
       goto errorret;
@@ -2977,7 +2977,7 @@ static void ml_flush_line(buf_T *buf)
 
     hp = ml_find_line(buf, lnum, ML_FIND);
     if (hp == NULL)
-      EMSGN(_("E320: Cannot find line %ld"), lnum);
+      EMSGN(_("E320: Cannot find line %" PRId64), lnum);
     else {
       dp = (DATA_BL *)(hp->bh_data);
       idx = lnum - buf->b_ml.ml_locked_low;
@@ -3237,11 +3237,11 @@ static bhdr_T *ml_find_line(buf_T *buf, linenr_T lnum, int action)
     }
     if (idx >= (int)pp->pb_count) {         /* past the end: something wrong! */
       if (lnum > buf->b_ml.ml_line_count)
-        EMSGN(_("E322: line number out of range: %ld past the end"),
+        EMSGN(_("E322: line number out of range: %" PRId64 " past the end"),
             lnum - buf->b_ml.ml_line_count);
 
       else
-        EMSGN(_("E323: line count wrong in block %ld"), bnum);
+        EMSGN(_("E323: line count wrong in block %" PRId64), bnum);
       goto error_block;
     }
     if (action == ML_DELETE) {

src/quickfix.c

@@ -3386,7 +3386,7 @@ int set_errorlist(win_T *wp, list_T *list, int action, char_u *title)
     if (bufnum != 0 && (buflist_findnr(bufnum) == NULL)) {
       if (!did_bufnr_emsg) {
         did_bufnr_emsg = TRUE;
-        EMSGN(_("E92: Buffer %ld not found"), bufnum);
+        EMSGN(_("E92: Buffer %" PRId64 " not found"), bufnum);
       }
       valid = FALSE;
       bufnum = 0;

src/spell.c

@@ -8401,7 +8401,7 @@ spell_add_word (
       if (i == idx)
         break;
       if (*spf == NUL) {
-        EMSGN(_("E765: 'spellfile' does not have %ld entries"), idx);
+        EMSGN(_("E765: 'spellfile' does not have %" PRId64 " entries"), idx);
         vim_free(fnamebuf);
         return;
       }

src/tag.c

@@ -1933,7 +1933,7 @@ parse_line:
       if (line_error) {
         EMSG2(_("E431: Format error in tags file \"%s\""), tag_fname);
         if (!use_cscope)
-          EMSGN(_("Before byte %ld"), (long)ftell(fp));
+          EMSGN(_("Before byte %" PRId64), ftell(fp));
         stop_searching = TRUE;
         line_error = FALSE;
       }

src/undo.c

@@ -1910,7 +1910,7 @@ void undo_time(long step, int sec, int file, int absolute)
       break;
 
     if (absolute) {
-      EMSGN(_("E830: Undo number %ld not found"), step);
+      EMSGN(_("E830: Undo number %" PRId64 " not found"), step);
       return;
     }