MAINTAINERS: Update eCryptfs mailing list

The eCryptfs mailing list has moved from lists.launchpad.net to
vger.kernel.org.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 69f19f1..bf02bbe 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2302,7 +2302,7 @@
 ECRYPT FILE SYSTEM
 M:	Tyler Hicks <tyhicks@linux.vnet.ibm.com>
 M:	Dustin Kirkland <kirkland@canonical.com>
-L:	ecryptfs-devel@lists.launchpad.net
+L:	ecryptfs@vger.kernel.org
 W:	https://launchpad.net/ecryptfs
 S:	Supported
 F:	Documentation/filesystems/ecryptfs.txt