diff -ur wmcp-1.2.8.orig/wmcp.c wmcp-1.2.8/wmcp.c
--- wmcp-1.2.8.orig/wmcp.c	1999-05-27 09:38:49.000000000 +0300
+++ wmcp-1.2.8/wmcp.c	2008-01-06 16:16:17.000000000 +0200
@@ -25,6 +25,7 @@
 #include <xpm.h>
 #include <extensions/shape.h>
 #include <keysym.h>
+#include <stdlib.h>
 #include <stdio.h>
 #include <math.h>