--- OLD/xc/lib/Xext/XShm.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/lib/Xext/XShm.c	Thu Jan  1 00:00:00 1970
@@ -24,6 +24,8 @@
 
 /* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */
 
+#include <stdio.h>
+
 #define NEED_EVENTS
 #define NEED_REPLIES
 #include "Xlibint.h"