[gtk+] Remove unused variable

[Руслан Ижбулатов <ruslanizhb src gnome org>]

commit a55f1113f5599d80f128cfd6d7154b4575c91ba0
Author: Руслан Ижбулатов <lrn1986 gmail com>
Date:   Thu Mar 3 17:22:02 2016 +0000

    Remove unused variable

 gdk/win32/gdkwindow-win32.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gdk/win32/gdkwindow-win32.c b/gdk/win32/gdkwindow-win32.c
index 3348879..2669283 100644
--- a/gdk/win32/gdkwindow-win32.c
+++ b/gdk/win32/gdkwindow-win32.c
@@ -2744,7 +2744,6 @@ gdk_win32_window_set_decorations (GdkWindow      *window,
                                  GdkWMDecoration decorations)
 {
   GdkWindowImplWin32 *impl;
-  GdkWMDecoration* decorations_copy;
 
   g_return_if_fail (GDK_IS_WINDOW (window));