[smuxi] Frontend: fixed SyncInfo.SyncRoot being never initialized

[Mirco M. M. Bauer <mmmbauer src gnome org>]

commit 0f999e6ae60869d66cf9c833c6faa96f52ff4028
Author: Mirco Bauer <meebey meebey net>
Date:   Thu Aug 21 20:36:45 2014 +0200

    Frontend: fixed SyncInfo.SyncRoot being never initialized

 src/Frontend/ChatViewSyncManager.cs |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Frontend/ChatViewSyncManager.cs b/src/Frontend/ChatViewSyncManager.cs
index 0356bdb..e905561 100644
--- a/src/Frontend/ChatViewSyncManager.cs
+++ b/src/Frontend/ChatViewSyncManager.cs
@@ -300,6 +300,7 @@ namespace Smuxi.Frontend
             {
                 Manager = manager;
                 ChatModel = chatModel;
+                SyncRoot = new object();
                 State = new InitialState(this);
             }