[empathy: 2/5] empathy_account_settings_set_display_name_async: don't do anything if not needed

[Guillaume Desmottes <gdesmott src gnome org>]

commit b31d50fb0533f178263d8ce111b56517dd0faf9a
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Wed Mar 3 11:44:24 2010 +0100

    empathy_account_settings_set_display_name_async: don't do anything if not needed

 libempathy/empathy-account-settings.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/libempathy/empathy-account-settings.c b/libempathy/empathy-account-settings.c
index 78b1445..a67fc20 100644
--- a/libempathy/empathy-account-settings.c
+++ b/libempathy/empathy-account-settings.c
@@ -950,6 +950,13 @@ empathy_account_settings_set_display_name_async (
   result = g_simple_async_result_new (G_OBJECT (settings),
       callback, user_data, empathy_account_settings_set_display_name_finish);
 
+  if (!tp_strdiff (name, priv->display_name))
+    {
+      /* Nothing to do */
+      g_simple_async_result_complete_in_idle (result);
+      return;
+    }
+
   if (priv->account == NULL)
     {
       if (priv->display_name != NULL)