[gdm] Add missing header (fix GNOME bug #616888)

[Ray Strode <halfline src gnome org>]

commit 111080b8d5c82b2c8e7a097db142061e29bfa382
Author: Frederic Crozat <fcrozat mandriva com>
Date:   Tue Apr 27 14:27:37 2010 +0200

    Add missing header (fix GNOME bug #616888)

 daemon/gdm-slave.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/daemon/gdm-slave.c b/daemon/gdm-slave.c
index 73784dc..7acc5fb 100644
--- a/daemon/gdm-slave.c
+++ b/daemon/gdm-slave.c
@@ -22,6 +22,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <stdint.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <string.h>