Update email address

My canonical.com email address will soon stop working.

Signed-off-by: Serge Hallyn <serge@hallyn.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 9c567a4..ad3ba31 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2728,7 +2728,7 @@
 F:	include/uapi/linux/can/netlink.h
 
 CAPABILITIES
-M:	Serge Hallyn <serge.hallyn@canonical.com>
+M:	Serge Hallyn <serge@hallyn.com>
 L:	linux-security-module@vger.kernel.org
 S:	Supported
 F:	include/linux/capability.h