TEST_FRAMEWORK: Fix ref leak in feature activation

This fixes two reference leaks that would occur when TEST_FRAMEWORK was
enabled and features were successfully executed.
........

Merged revisions 418715 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@418716 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/bridge_channel.c

@@ -1477,11 +1477,16 @@ static void testsuite_notify_feature_success(struct ast_channel *chan, const cha
 			feature = "automixmon";
 		} else if (!strcmp(dtmf, featuremap->parkcall)) {
 			feature = "parkcall";
-		} else if (!strcmp(dtmf, xfer->atxferthreeway)) {
+		}
+	} else if (xfer) {
+		if (!strcmp(dtmf, xfer->atxferthreeway)) {
 			feature = "atxferthreeway";
 		}
 	}
 
+	ao2_cleanup(featuremap);
+	ao2_cleanup(xfer);
+
 	ast_test_suite_event_notify("FEATURE_DETECTION",
 			"Result: success\r\n"
 			"Feature: %s", feature);