MAINTAINERS: fix incorrect mail address of XFS maintainer

When I tried to send the patches to XFS Maintainers,
I got returned mail included delivery fail message for Dave's mail.
Maybe, Dave Chinner mail address is incorrect.
I try to fix it correctly.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

(cherry picked from commit db10bddc7d4f412bcd8630fc479fa1eb009e325b)
diff --git a/MAINTAINERS b/MAINTAINERS
index f216db8..f5d0bdd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9530,7 +9530,7 @@
 
 XFS FILESYSTEM
 P:	Silicon Graphics Inc
-M:	Dave Chinner <dchinner@fromorbit.com>
+M:	Dave Chinner <david@fromorbit.com>
 M:	Ben Myers <bpm@sgi.com>
 M:	xfs@oss.sgi.com
 L:	xfs@oss.sgi.com