Change man-pages maintainer address

The email address that I use for man-pages maintenance has changed as of
now.  This patch changes the address in Documentation/HOWTO and
MAINTAINERS.

Signed-off-by: Michael Kerrisk <mtk.manpages@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/HOWTO b/Documentation/HOWTO
index dceb309..5483561 100644
--- a/Documentation/HOWTO
+++ b/Documentation/HOWTO
@@ -77,7 +77,7 @@
 When a kernel change causes the interface that the kernel exposes to
 userspace to change, it is recommended that you send the information or
 a patch to the manual pages explaining the change to the manual pages
-maintainer at mtk-manpages@gmx.net.
+maintainer at mtk.manpages@gmail.com.
 
 Here is a list of files that are in the kernel source tree that are
 required reading: