diff -Naur ocfs2-tools-1.4.1/libo2cb/client_proto.c ocfs2-tools-1.4.1-fix-missing-header/libo2cb/client_proto.c
--- ocfs2-tools-1.4.1/libo2cb/client_proto.c	2008-07-22 00:44:25.000000000 +0200
+++ ocfs2-tools-1.4.1-fix-missing-header/libo2cb/client_proto.c	2009-03-05 21:13:17.000000000 +0100
@@ -17,6 +17,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
+#include <limits.h>
 
 #include "o2cb/o2cb_client_proto.h"