error.c | 1 +
1 file changed, 1 insertion(+)
--- 9wm-1.2.orig/error.c
+++ 9wm-1.2/error.c
@@ -1,4 +1,5 @@
/* Copyright (c) 1994-1996 David Hogan, see README for licence details */
+#include <stdlib.h>
#include <stdio.h>
#include <X11/X.h>
#include <X11/Xlib.h>