[gtk+] Don't include gtkplug.h in gtkdnd-quartz.c

[John Ralls <jralls src gnome org>]

commit f2f26c2232e6cf329cd8e56989040f5f7cede287
Author: John Ralls <jralls ceridwen us>
Date:   Fri May 18 12:25:41 2012 -0700

    Don't include gtkplug.h in gtkdnd-quartz.c
    
    Gtkplug is X11-only.

 gtk/gtkdnd-quartz.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkdnd-quartz.c b/gtk/gtkdnd-quartz.c
index d9d8ca7..cf8a1b5 100644
--- a/gtk/gtkdnd-quartz.c
+++ b/gtk/gtkdnd-quartz.c
@@ -35,7 +35,6 @@
 #include "gtkimageprivate.h"
 #include "gtkinvisible.h"
 #include "gtkmain.h"
-#include "gtkplug.h"
 #include "gtkstock.h"
 #include "gtkwindow.h"
 #include "gtkintl.h"