[gnome-shell] ShellWindowTracker: fix reference leak

[Giovanni Campagna <gcampagna src gnome org>]

commit 3586e53fd9990416b186d206d7a9369f75539f8e
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Wed Aug 7 12:54:14 2013 +0200

    ShellWindowTracker: fix reference leak
    
    get_app_from_window_wmclass() now returns a reference to the ShellApp,
    no need for another one.

 src/shell-window-tracker.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/shell-window-tracker.c b/src/shell-window-tracker.c
index b526ff3..09653e4 100644
--- a/src/shell-window-tracker.c
+++ b/src/shell-window-tracker.c
@@ -374,7 +374,7 @@ get_app_for_window (ShellWindowTracker    *tracker,
    */
   result = get_app_from_window_wmclass (window);
   if (result != NULL)
-    return g_object_ref (result);
+    return result;
 
   result = get_app_from_window_pid (tracker, window);
   if (result != NULL)