refactor(option.c): remove goto

src/nvim/option.c

@@ -1414,9 +1414,7 @@ int do_set(char *arg, int opt_flags)
   if (*arg == NUL) {
     showoptions(false, opt_flags);
     did_show = true;
-    goto theend;
-  }
-
+  } else {
     while (*arg != NUL) {         // loop to process all options
       if (strncmp(arg, "all", 3) == 0 && !ASCII_ISALPHA(arg[3])
           && !(opt_flags & OPT_MODELINE)) {
@@ -1481,8 +1479,8 @@ int do_set(char *arg, int opt_flags)
 
       arg = skipwhite(arg);
     }
+  }
 
-theend:
   if (silent_mode && did_show) {
     // After displaying option values in silent mode.
     silent_mode = false;