[glib] GDBusConnection: use uint for bitshifts

[Allison Ryan Lortie <desrt src gnome org>]

commit b54acf513d55e3ef8df3d913dc3c78572989d3df
Author: Allison Ryan Lortie <desrt desrt ca>
Date:   Mon Feb 29 09:31:14 2016 -0500

    GDBusConnection: use uint for bitshifts
    
    "1 << 31" is not well-defined, do use "1u << 31" instead.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762748

 gio/gdbusconnection.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gio/gdbusconnection.c b/gio/gdbusconnection.c
index b355340..313670b 100644
--- a/gio/gdbusconnection.c
+++ b/gio/gdbusconnection.c
@@ -219,10 +219,10 @@ static GWeakRef the_system_bus;
  * message, and we're being called from its thread, so no memory barrier is
  * required before accessing them.
  */
-#define SEND_MESSAGE_FLAGS_INITIALIZING (1<<31)
+#define SEND_MESSAGE_FLAGS_INITIALIZING (1u << 31)
 
 /* Same as SEND_MESSAGE_FLAGS_INITIALIZING, but in GDBusCallFlags */
-#define CALL_FLAGS_INITIALIZING (1<<31)
+#define CALL_FLAGS_INITIALIZING (1u << 31)
 
 /* ---------------------------------------------------------------------------------------------------- */