[smuxi: 4/8] Engine-XMPP: when joining a room-jid that is not actually a room-jid a nullptr exception could occur

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

commit 414afbf9983f8a73ee11433d0519f75ce17c2105
Author: Oliver Schneider <mail oli-obk de>
Date:   Mon Jul 7 19:38:35 2014 +0200

    Engine-XMPP: when joining a room-jid that is not actually a room-jid a nullptr exception could occur

 .../Protocols/Xmpp/XmppProtocolManager.cs          |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Engine-XMPP/Protocols/Xmpp/XmppProtocolManager.cs 
b/src/Engine-XMPP/Protocols/Xmpp/XmppProtocolManager.cs
index 553fa77..90310b3 100644
--- a/src/Engine-XMPP/Protocols/Xmpp/XmppProtocolManager.cs
+++ b/src/Engine-XMPP/Protocols/Xmpp/XmppProtocolManager.cs
@@ -1808,7 +1808,7 @@ namespace Smuxi.Engine
         void OnGroupChatPresence(XmppGroupChatModel chat, Presence pres)
         {
             Jid jid = pres.From;
-            var person = new PersonModel(jid, pres.From.Resource, NetworkID, Protocol, this);
+            var person = new PersonModel(jid, pres.From.Resource ?? pres.From, NetworkID, Protocol, this);
             PrintGroupChatPresence(chat, person, pres);
             switch (pres.Type) {
                 case PresenceType.available: