vim-patch:7.4.688 #2941

```
updated for version 7.4.668
Problem:    Can't use a glob pattern as a regexp pattern.
Solution:   Add glob2regpat(). (Christian Brabandt)
```

https://code.google.com/p/vim/source/detail?r=v7-4-668

src/nvim/eval.c

@@ -6512,6 +6512,7 @@ static struct fst {
   {"getwinposy",      0, 0, f_getwinposy},
   {"getwinvar",       2, 3, f_getwinvar},
   {"glob",            1, 3, f_glob},
+  {"glob2regpat",     1, 1, f_glob2regpat},
   {"globpath",        2, 4, f_globpath},
   {"has",             1, 1, f_has},
   {"has_key",         2, 2, f_has_key},
@@ -9893,6 +9894,17 @@ static void f_globpath(typval_T *argvars, typval_T *rettv)
   }
 }
 
+/*
+ * "glob2regpat()" function
+ */
+static void f_glob2regpat(typval_T *argvars, typval_T *rettv)
+{
+    char_u	*pat = get_tv_string_chk(&argvars[0]);
+
+    rettv->v_type = VAR_STRING;
+    rettv->vval.v_string = file_pat_to_reg_pat(pat, NULL, NULL, FALSE);
+}
+
 /*
  * "has()" function
  */

src/nvim/version.c

@@ -181,7 +181,7 @@ static int included_patches[] = {
   //671,
   //670,
   //669 NA
-  //668,
+  668,
   //667,
   //666 NA
   //665,