bcache: Update email address

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 5be702c..58814f0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1621,7 +1621,7 @@
 F:	drivers/net/hamradio/baycom*
 
 BCACHE (BLOCK LAYER CACHE)
-M:	Kent Overstreet <koverstreet@google.com>
+M:	Kent Overstreet <kmo@daterainc.com>
 L:	linux-bcache@vger.kernel.org
 W:	http://bcache.evilpiepirate.org
 S:	Maintained: