[gtk+] Initialize variables

[Matthias Clasen <matthiasc src gnome org>]

commit 34b117865a36c21918b6432cc6b9c379e8cfe907
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 14 08:12:11 2010 -0400

    Initialize variables
    
    valgrind was complaining about uninitialized values here, and
    sure enough, gdkdevice-xi.c doesn't set device position.

 gdk/gdkwindow.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 6e39e86..46539ea 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -5069,6 +5069,9 @@ gdk_window_get_device_position (GdkWindow       *window,
   g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
   g_return_val_if_fail (GDK_IS_DEVICE (device), NULL);
 
+  tmp_x = 0;
+  tmp_y = 0;
+
   display = gdk_window_get_display (window);
   child = display->device_hooks->window_get_device_position (display, device, window,
                                                              &tmp_x, &tmp_y, &tmp_mask);