Merge r4359: Fix random signature recognition on 64bit OS

git-svn-id: http://www.varnish-cache.org/svn/branches/2.0@4404 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/vtc.c

@@ -294,7 +294,7 @@ static const unsigned long random_expect[NRNDEXPECT] = {
 static void
 cmd_random(CMD_ARGS)
 {
-	unsigned long l;
+	uint32_t l;
 	int i;
 
 	(void)cmd;