--- OLD/xc/programs/xsetroot/xsetroot.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/programs/xsetroot/xsetroot.c	Thu Jan  1 00:00:00 1970
@@ -33,6 +33,7 @@
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include "X11/bitmaps/gray"