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/version.c

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