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/quickfix.c b/src/quickfix.c
index bbcebe4..a1c4fe5 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -3189,7 +3189,7 @@
 	    ;
 
     /* parse the list of arguments */
-    if (get_arglist_exp(p, &fcount, &fnames) == FAIL)
+    if (get_arglist_exp(p, &fcount, &fnames, TRUE) == FAIL)
 	goto theend;
     if (fcount == 0)
     {