[gtk+/client-side-windows] Don't return value from void function

[Alexander Larsson <alexl src gnome org>]

commit 0c6f64a76cc356582a4d2f76a07161c5fb5a8914
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Jul 1 10:11:15 2009 +0200

    Don't return value from void function
    
    This fixes the previous commit where the return value was removed.

 gdk/gdkwindow.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index f635a07..326c983 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -7031,7 +7031,7 @@ gdk_window_get_root_coords (GdkWindow *window,
 {
   GdkWindowObject *private;
 
-  g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
+  g_return_if_fail (GDK_IS_WINDOW (window));
 
   private = (GdkWindowObject *) window;
 
@@ -7048,8 +7048,6 @@ gdk_window_get_root_coords (GdkWindow *window,
 							      x + private->abs_x,
 							      y + private->abs_y,
 							      root_x, root_y);
-
-  return TRUE;
 }