[glib] Make gdbus-peer build on !linux

[Matthias Clasen <matthiasc src gnome org>]

commit 3d01283f6908000e0a989ba22769c869461be398
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 21 22:06:56 2010 -0400

    Make gdbus-peer build on !linux
    
    Based on a patch by Koop Mast, bug 627088.

 gio/tests/gdbus-peer.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gio/tests/gdbus-peer.c b/gio/tests/gdbus-peer.c
index a904c7a..faad98f 100644
--- a/gio/tests/gdbus-peer.c
+++ b/gio/tests/gdbus-peer.c
@@ -42,6 +42,9 @@
 #include <sys/socket.h>
 #endif
 
+/* for SOCK_STREAM and AF_UNIX */
+#include <sys/socket.h>
+
 /* used in test_overflow */
 #ifdef G_OS_UNIX
 #include <gio/gunixconnection.h>