From 31e47ec8f3c637576616d491a7019f2c044948c5 Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Wed, 1 Jun 2016 16:40:52 +0200
Subject: [PATCH] Try to satisfy scrutinizer

---
 mail/js/app.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mail/js/app.js b/mail/js/app.js
index 32b3f8bebf..3e5ff5c08c 100644
--- a/mail/js/app.js
+++ b/mail/js/app.js
@@ -385,8 +385,10 @@ app.classes.mail = AppJS.extend(
 					case 'add':
 						tree.refreshItem(0);	// refresh root
 						break;
+					default: // null
 				}
 		}
+		return undefined;
 	},
 
 	/**
@@ -4739,7 +4741,7 @@ app.classes.mail = AppJS.extend(
 	/**
 	 * Window title getter function in order to set the window title
 	 *
-	 * @returns {string} window title
+	 * @returns {string|undefined} window title
 	 */
 	getWindowTitle: function ()
 	{
@@ -4755,6 +4757,7 @@ app.classes.mail = AppJS.extend(
 				if (widget) return widget.get_value();
 				break;
 		}
+		return undefined;
 	},
 
 	/**