[glibmm] Fix the build with --disable-deprecated-api

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 56d48412c97ebb4662f08427cb1cbc39a1604aa6
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Sun Nov 8 17:15:48 2015 +0100

    Fix the build with --disable-deprecated-api
    
    * glib/glibmm/containers.h: Inlude glibmm/wrap.h, which is not included via
    sarray.h, when SArray is deprecated.

 glib/glibmm/containers.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/glibmm/containers.h b/glib/glibmm/containers.h
index 7d78854..a25ff6f 100644
--- a/glib/glibmm/containers.h
+++ b/glib/glibmm/containers.h
@@ -1,4 +1,3 @@
-// -*- c++ -*-
 #ifndef _GLIBMM_CONTAINERS_H
 #define _GLIBMM_CONTAINERS_H
 
@@ -23,6 +22,7 @@
 
 #include <glibmmconfig.h>
 #include <glibmm/sarray.h> /* for backward compatibility */
+#include <glibmm/wrap.h>
 #include <glib.h>
 #include <iterator>
 #include <cstddef>