Warnings are treated as fatal when building gnome-session, so this causes

an error when building with gcc as pid_t and int are not the same type.

Need to file upstream bug

--- gnome-session-3.16.0/gnome-session/gsm-dbus-client.c 2014-12-12 07:23:26.000000000 -0800

+++ gnome-session-3.16.0/gnome-session/gsm-dbus-client.c 2015-07-06 22:48:37.709502671 -0700

@@ -208,7 +208,7 @@

retval = TRUE;

g_debug ("uid = %d", uid);

- g_debug ("pid = %d", pid);

+ g_debug ("pid = %d", (int) pid);

out:

g_clear_pointer (&uid_variant, (GDestroyNotify) g_variant_unref);