[gupnp] Properly include gio.h for GSocket

[Jens Georg <jensgeorg src gnome org>]

commit a2348548dd326c2fadaddb9c94b6efba802d827f
Author: Jens Georg <mail jensge org>
Date:   Fri Oct 18 16:21:06 2013 +0200

    Properly include gio.h for GSocket

 libgupnp/gupnp-linux-context-manager.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libgupnp/gupnp-linux-context-manager.c b/libgupnp/gupnp-linux-context-manager.c
index 2257a6e..b6a2394 100644
--- a/libgupnp/gupnp-linux-context-manager.c
+++ b/libgupnp/gupnp-linux-context-manager.c
@@ -38,6 +38,8 @@
 #include <errno.h>
 #include <string.h>
 
+#include <gio/gio.h>
+
 #include "gupnp-linux-context-manager.h"
 #include "gupnp-context.h"