Check that we found a variable before using it.

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3035 d4fa192b-c00b-0410-8231-f00ffab90ce4

lib/libvcl/vcc_action.c

@@ -99,6 +99,7 @@ parse_error(struct tokenlist *tl)
 	vcc_NextToken(tl);
 	if (tl->t->tok == VAR) {
 		vp = vcc_FindVar(tl, tl->t, vcc_vars);
+		ERRCHK(tl);
 		if (vp->fmt == INT) {
 			Fb(tl, 1, "VRT_error(sp, %s", vp->rname);
 			vcc_NextToken(tl);