--- OLD/xc/programs/xset/xset.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/programs/xset/xset.c	Thu Jan  1 00:00:00 1970
@@ -26,6 +26,7 @@
 
 #include <stdio.h>
 #include <ctype.h>
+#include <stdlib.h>
 
 #include <X11/Xos.h>
 #include <X11/Xfuncs.h>