--- OLD/xc/programs/proxymngr/pmdb.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/programs/proxymngr/pmdb.c	Thu Jan  1 00:00:00 1970
@@ -27,6 +27,7 @@
 #include "config.h"
 #include <assert.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <signal.h>
 
 #if defined(X_NOT_POSIX) && defined(SIGNALRETURNSINT)