[gtk+] box: add some missing includes

[Cosimo Cecchi <cosimoc src gnome org>]

commit e1f79e82752512393186feee26ba2e4167dc5d27
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Oct 3 16:54:09 2011 -0400

    box: add some missing includes

 gtk/gtkhbox.c |    1 +
 gtk/gtkvbox.c |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkhbox.c b/gtk/gtkhbox.c
index 5ade71d..021fb22 100644
--- a/gtk/gtkhbox.c
+++ b/gtk/gtkhbox.c
@@ -29,6 +29,7 @@
 #undef GTK_DISABLE_DEPRECATED
 #include "gtkhbox.h"
 #include "gtkorientable.h"
+#include "gtkboxprivate.h"
 
 
 /**
diff --git a/gtk/gtkvbox.c b/gtk/gtkvbox.c
index ebe9937..9251291 100644
--- a/gtk/gtkvbox.c
+++ b/gtk/gtkvbox.c
@@ -29,6 +29,7 @@
 #include "gtkorientable.h"
 #undef GTK_DISABLE_DEPRECATED
 #include "gtkvbox.h"
+#include "gtkboxprivate.h"
 
 
 /**