updated for version 7.3.570
Problem:    ":vimgrep" does not obey 'wildignore'.
Solution:   Apply 'wildignore' and 'suffixes' to ":vimgrep". (Ingo Karkat)
diff --git a/src/spell.c b/src/spell.c
index f0f258a..ea47b1b 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -8553,7 +8553,7 @@
     }
 
     /* Expand all the remaining arguments (e.g., $VIMRUNTIME). */
-    if (get_arglist_exp(arg, &fcount, &fnames) == OK)
+    if (get_arglist_exp(arg, &fcount, &fnames, FALSE) == OK)
     {
 	mkspell(fcount, fnames, ascii, eap->forceit, FALSE);
 	FreeWild(fcount, fnames);