Update MAINTAINERS entry
Update MAINTAINERS entry

Update link to point to Steve's current tree on git.samba.org.  Remove
link to the old patchwork instance which shows no new patches since 2010.

Signed-off-by: Kevin Cernekee <3105dbb3dd63fbb4f6371cfb04adc6726f76c56b@gmail.com>
Signed-off-by: Steve French <51565b4e5841e493fd669866e11ea3c7c0d781cc@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs