[gnome-control-center] shell: Fix build

[Bastien Nocera <hadess src gnome org>]

commit 034b37d1a21db7779f52447acaae16ac284f2cf7
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jun 5 17:35:25 2013 +0200

    shell: Fix build

 shell/cc-window.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/shell/cc-window.c b/shell/cc-window.c
index ea61868..78b6cdd 100644
--- a/shell/cc-window.c
+++ b/shell/cc-window.c
@@ -1525,5 +1525,5 @@ cc_window_present (CcWindow *center)
 void
 cc_window_show (CcWindow *center)
 {
-  gtk_widget_present (GTK_WIDGET (center));
+  gtk_window_present (GTK_WINDOW (center));
 }