[gnome-shell] Telepathy: ignore errors from ack_all_pending_messages()

[Giovanni Campagna <gcampagna src gnome org>]

commit d517c13d7aedd9c2f1ebf8bc362ac1143d0a09a4
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Mon Nov 26 22:30:20 2012 +0100

    Telepathy: ignore errors from ack_all_pending_messages()
    
    Invalid ID errors from that function are normal, because the set
    of IDs to acknowledge may not match the set in the connection manager
    due to race conditions.
    This is also what empathy does.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=683449

 js/ui/components/telepathyClient.js |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/components/telepathyClient.js b/js/ui/components/telepathyClient.js
index b41aa5f..ddceb34 100644
--- a/js/ui/components/telepathyClient.js
+++ b/js/ui/components/telepathyClient.js
@@ -730,8 +730,7 @@ const ChatSource = new Lang.Class({
     _ackMessages: function() {
         // Don't clear our messages here, tp-glib will send a
         // 'pending-message-removed' for each one.
-        this._channel.ack_all_pending_messages_async(Lang.bind(this, function(src, result) {
-            this._channel.ack_all_pending_messages_finish(result);}));
+        this._channel.ack_all_pending_messages_async(null);
     }
 });