Authors: Andreas Mohr <amohr@codeweavers.com>, Dimitrie O. Paun <dimi@cs.toronto.edu>, Patrik Stridvall <ps@leissner.se>
Various warning fixes.

diff --git a/controls/edit.c b/controls/edit.c
index cebb44c..7a9664b 100644
--- a/controls/edit.c
+++ b/controls/edit.c
@@ -14,6 +14,7 @@
 #include "config.h"
 
 #include <string.h>
+#include <stdlib.h>
 
 #include "winbase.h"
 #include "winnt.h"