return stale on invalid auth header

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7248 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_reg.c

@@ -823,6 +823,7 @@ auth_res_t sofia_reg_parse_auth(sofia_profile_t *profile, sip_authorization_t co
 
 	if (cnt != 8) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Authorization header!\n");
+		ret = AUTH_STALE;
 		goto end;
 	}