[glib] include gunixcredentialsmessage from unixsocket

[Ryan Lortie <ryanl src gnome org>]

commit d8d1a02c556ed9fc4c436888c965bc8dee62ad81
Author: Ryan Lortie <desrt desrt ca>
Date:   Fri May 14 15:30:33 2010 +0200

    include gunixcredentialsmessage from unixsocket
    
    fixes a build issue

 gio/gunixconnection.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gio/gunixconnection.c b/gio/gunixconnection.c
index 3921c92..acd94bb 100644
--- a/gio/gunixconnection.c
+++ b/gio/gunixconnection.c
@@ -14,6 +14,7 @@
 
 #include "config.h"
 #include "gunixconnection.h"
+#include "gunixcredentialsmessage.h"
 #include "glibintl.h"
 
 /**