--- sdcv-0.4.2/src/readline.cpp	2005-12-07 23:07:23.000000000 +0100
+++ sdcv-0.4.2m/src/readline.cpp	2010-05-28 19:24:28.000000000 +0200
@@ -28,6 +28,7 @@
 #  include <readline/history.h>
 #endif
 #include <glib.h>
+#include <stdlib.h>
 
 #include "utils.hpp"