[gtk+] win32: fix "unused variable" warning

[Paolo Borelli <pborelli src gnome org>]

commit 58a49c1a4bfaf36dc52dc8ff4ad1c91c85277967
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Mar 5 19:43:32 2016 +0100

    win32: fix "unused variable" warning

 gdk/win32/gdkdevice-virtual.c |    9 ++-------
 1 files changed, 2 insertions(+), 7 deletions(-)
---
diff --git a/gdk/win32/gdkdevice-virtual.c b/gdk/win32/gdkdevice-virtual.c
index 64bf29c..452bd39 100644
--- a/gdk/win32/gdkdevice-virtual.c
+++ b/gdk/win32/gdkdevice-virtual.c
@@ -92,13 +92,8 @@ gdk_device_virtual_set_window_cursor (GdkDevice *device,
                                      GdkWindow *window,
                                      GdkCursor *cursor)
 {
-  GdkWindow *parent_window;
-  GdkWindowImplWin32 *impl;
-  GdkCursor *previous_cursor;
-
-  impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
-
-  previous_cursor = impl->cursor;
+  GdkWindowImplWin32 *impl = GDK_WINDOW_IMPL_WIN32 (window->impl);
+  GdkCursor *previous_cursor = impl->cursor;
 
   if (cursor != NULL && GDK_WIN32_CURSOR (cursor)->hcursor != NULL)
     {