[gtk+] mir: Fix build failure due to changed API

[William Hua <williamhua src gnome org>]

commit 61f3399f980288a9a9e4b03b50dd147a8af55a8d
Author: William Hua <william hua canonical com>
Date:   Tue Apr 7 10:33:35 2015 -0400

    mir: Fix build failure due to changed API
    
    mir_surface_set_event_handler() now takes three arguments.

 gdk/mir/gdkmirwindowimpl.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/gdk/mir/gdkmirwindowimpl.c b/gdk/mir/gdkmirwindowimpl.c
index 666a1d0..b4767cb 100644
--- a/gdk/mir/gdkmirwindowimpl.c
+++ b/gdk/mir/gdkmirwindowimpl.c
@@ -213,7 +213,6 @@ ensure_surface_full (GdkWindow *window,
                      MirBufferUsage buffer_usage)
 {
   GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
-  MirEventDelegate event_delegate = { event_cb, NULL };
   GdkMirWindowReference *window_ref;
 
   if (impl->surface || should_render_in_parent (window))
@@ -224,8 +223,6 @@ ensure_surface_full (GdkWindow *window,
    */
   window_ref = _gdk_mir_event_source_get_window_reference (window);
 
-  event_delegate.context = window_ref;
-
   impl->surface = create_mir_surface (gdk_window_get_display (window),
                                       window->width, window->height,
                                       buffer_usage);
@@ -240,7 +237,7 @@ ensure_surface_full (GdkWindow *window,
 
   _gdk_mir_event_source_queue (window_ref, &resize_event);
 
-  mir_surface_set_event_handler (impl->surface, &event_delegate); // FIXME: Ignore some events until shown
+  mir_surface_set_event_handler (impl->surface, event_cb, window_ref); // FIXME: Ignore some events until 
shown
   set_surface_type (impl, impl->surface_type);
   set_surface_state (impl, impl->surface_state);
 }