policycoreutils: sandbox: Add back in . functions to sandbox.init script

In order to handle properly the display on boot the sandbox init
script has to source the functions file.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Dan Walsh <dwalsh@redhat.com>
diff --git a/policycoreutils/sandbox/sandbox.init b/policycoreutils/sandbox/sandbox.init
index 8aed876..b3979bf 100644
--- a/policycoreutils/sandbox/sandbox.init
+++ b/policycoreutils/sandbox/sandbox.init
@@ -19,6 +19,7 @@
 #
 
 # Source function library.
+. /etc/init.d/functions
 
 LOCKFILE=/var/lock/subsys/sandbox