[gtk+] win32: actually call _gdk_win32_screen_on_displaychange_event

[Paolo Borelli <pborelli src gnome org>]

commit e9d2a622e2e7e864f6c87ecd43088d085eb76fc9
Author: Paolo Borelli <pborelli gnome org>
Date:   Mon Feb 29 18:17:28 2016 +0100

    win32: actually call _gdk_win32_screen_on_displaychange_event
    
    41a371c435533aee5f050500c90507844cb1e45e factored out a method
    but I forgot to actually amend the commit to call the new function

 gdk/win32/gdkdisplay-win32.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk/win32/gdkdisplay-win32.c b/gdk/win32/gdkdisplay-win32.c
index 1faf19f..f3f653a 100644
--- a/gdk/win32/gdkdisplay-win32.c
+++ b/gdk/win32/gdkdisplay-win32.c
@@ -176,6 +176,7 @@ inner_display_change_window_procedure (HWND   hwnd,
       {
         GdkWin32Display *win32_display = GDK_WIN32_DISPLAY (_gdk_display);
 
+        _gdk_win32_screen_on_displaychange_event (GDK_WIN32_SCREEN (win32_display->screen));
         return 0;
       }
     default: