autofs4 - update MAINTAINERS mailing list entry

The autofs mailing list has moved to vger.kernel.org.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

diff --git a/MAINTAINERS b/MAINTAINERS
index 75a9a5f..7fe9bb2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3780,7 +3780,7 @@
 
 KERNEL AUTOMOUNTER v4 (AUTOFS4)
 M:	Ian Kent <raven@themaw.net>
-L:	autofs@linux.kernel.org
+L:	autofs@vger.kernel.org
 S:	Maintained
 F:	fs/autofs4/