MAINTAINERS - Location of the Smack repository

The Smack working tree has moved from gitorious to github.
Signed-off-by: NCasey Schaufler <casey@schaufler-ca.com>

MAINTAINERS

@@ -10530,7 +10530,7 @@ SMACK SECURITY MODULE
 M:	Casey Schaufler <casey@schaufler-ca.com>
 L:	linux-security-module@vger.kernel.org
 W:	http://schaufler-ca.com
-T:	git git://git.gitorious.org/smack-next/kernel.git
+T:	git git://github.com/cschaufler/smack-next
 S:	Maintained
 F:	Documentation/security/Smack.txt
 F:	security/smack/