Add a couple of test-case for vcc_parse.c

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3279 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/tests/v00020.vtc

+# $Id$
+
+test "VCL compiler coverage test: vcc_parse.c"
+
+varnish v1 -vcl {
+backend b { .host = "127.0.0.1"; }
+C{
+#include <stdio.h>
+}C
+}
+
+varnish v1 -badvcl { 0; }
+
+varnish v1 -badvcl " sub vcl_recv { { } { "