patch 8.2.0961: MS-Windows: no completion for locales

Problem:    MS-Windows: no completion for locales.
Solution:   Use the directories in $VIMRUNTIME/lang to complete locales.
            (Christian Brabandt, closes 36248)
diff --git a/src/cmdexpand.c b/src/cmdexpand.c
index 1e33987..b0ea057 100644
--- a/src/cmdexpand.c
+++ b/src/cmdexpand.c
@@ -273,6 +273,7 @@
  * options = WILD_SILENT:	    don't print warning messages
  * options = WILD_ESCAPE:	    put backslash before special chars
  * options = WILD_ICASE:	    ignore case for files
+ * options = WILD_ALLLINKS;	    keep broken links
  *
  * The variables xp->xp_context and xp->xp_backslash must have been set!
  */