[gtk/gtk-3-22] broadway: Cast g_object_ref() to the right type

[Emmanuele Bassi <ebassi src gnome org>]

commit 2de14479b239649504ca4da1729ba926b207e7ab
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Feb 11 14:52:22 2018 +0000

    broadway: Cast g_object_ref() to the right type
    
    In GLib 2.56, g_object_ref() will check that you're assigning the return
    value to a variable of the same type you're passing in.

 gdk/broadway/broadway-server.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gdk/broadway/broadway-server.c b/gdk/broadway/broadway-server.c
index 3d5f29b289..b53f4edf12 100644
--- a/gdk/broadway/broadway-server.c
+++ b/gdk/broadway/broadway-server.c
@@ -1267,7 +1267,7 @@ handle_incoming_connection (GSocketService    *service,
     }
   else
     {
-      request->connection = g_object_ref (connection);
+      request->connection = G_IO_STREAM (g_object_ref (connection));
     }
 
   in = g_io_stream_get_input_stream (request->connection);