ocfs2: Put tree in MAINTAINERS

The ocfs2 MAINTAINERS entry should have the git tree URL.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

MAINTAINERS

@@ -2946,6 +2946,7 @@ P:	Joel Becker
 M:	joel.becker@oracle.com
 L:	ocfs2-devel@oss.oracle.com
 W:	http://oss.oracle.com/projects/ocfs2/
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2.git
 S:	Supported
 
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