[gtk+] WM_CLIPBOARDUPDATE is always define on vista+

[Matthias Clasen <matthiasc src gnome org>]

commit dcd53682523c6f5e7d9e8c18e0ac4f2788ab8f19
Author: Jose Rostagno <joserostagno vijona com ar>
Date:   Sun Apr 19 20:17:53 2015 -0300

    WM_CLIPBOARDUPDATE is always define on vista+
    
    https://msdn.microsoft.com/en-us/library/windows/desktop/ms649021%28v=vs.85%29.aspx
    
    https://bugzilla.gnome.org/show_bug.cgi?id=748156

 gdk/win32/gdkdisplay-win32.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gdk/win32/gdkdisplay-win32.c b/gdk/win32/gdkdisplay-win32.c
index 1cb1f28..e5adea6 100644
--- a/gdk/win32/gdkdisplay-win32.c
+++ b/gdk/win32/gdkdisplay-win32.c
@@ -341,9 +341,7 @@ inner_clipboard_window_procedure (HWND   hwnd,
 
         return 0;
       }
-#ifdef WM_CLIPBOARDUPDATE
     case WM_CLIPBOARDUPDATE:
-#endif
     case WM_DRAWCLIPBOARD:
       {
         int success;