[gtk+] mir: swap buffers on paint

[William Hua <williamhua src gnome org>]

commit 9a7b0847b9d09ea67e1481fcd301bf04a5c2b54d
Author: William Hua <william hua canonical com>
Date:   Thu Dec 8 15:28:31 2016 -0500

    mir: swap buffers on paint

 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 72535a1..07e10c2 100644
--- a/gdk/mir/gdkmirwindowimpl.c
+++ b/gdk/mir/gdkmirwindowimpl.c
@@ -974,13 +974,10 @@ gdk_mir_window_impl_begin_paint (GdkWindow *window)
 static void
 gdk_mir_window_impl_end_paint (GdkWindow *window)
 {
-#if 0
   GdkMirWindowImpl *impl = GDK_MIR_WINDOW_IMPL (window->impl);
 
-  //g_printerr ("gdk_mir_window_impl_end_paint window=%p\n", window);
-  if (impl->visible && !window->current_paint.use_gl)
+  if (impl->visible)
     send_buffer (window);
-#endif
 }
 
 static cairo_region_t *