[mutter] prevent duplicate declaration of MetaUIFrame

[Jasper St. Pierre <jstpierre src gnome org>]

commit dd060d78ceee53cad106418374f8f4bd4d250cde
Author: Jasper Lievisse Adriaanse <jasper humppa nl>
Date:   Sat Apr 4 10:03:26 2015 +0200

    prevent duplicate declaration of MetaUIFrame
    
    fixes bug 747326

 src/ui/frames.h |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/src/ui/frames.h b/src/ui/frames.h
index a3d8b10..3bca1aa 100644
--- a/src/ui/frames.h
+++ b/src/ui/frames.h
@@ -27,6 +27,7 @@
 #include <meta/common.h>
 #include <meta/types.h>
 #include "theme-private.h"
+#include "ui.h"
 
 typedef enum
 {
@@ -69,8 +70,6 @@ typedef enum
 typedef struct _MetaFrames        MetaFrames;
 typedef struct _MetaFramesClass   MetaFramesClass;
 
-typedef struct _MetaUIFrame         MetaUIFrame;
-
 struct _MetaUIFrame
 {
   MetaFrames *frames;