--- libo2cb/client_proto.c~	2009-04-09 11:53:05.000000000 +0200
+++ libo2cb/client_proto.c	2009-04-09 11:53:05.000000000 +0200
@@ -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"