rcu: Update MAINTAINERS entry

This commit updates Lai Jiangshan's email address because the old
[email protected] address will expire after July 10, 2015.

Signed-off-by: Lai Jiangshan <[email protected]>
Signed-off-by: Lai Jiangshan <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
diff --git a/MAINTAINERS b/MAINTAINERS
index 8133cef..f92d813 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8445,7 +8445,7 @@
 M:	Josh Triplett <[email protected]>
 R:	Steven Rostedt <[email protected]>
 R:	Mathieu Desnoyers <[email protected]>
-R:	Lai Jiangshan <[email protected]>
+R:	Lai Jiangshan <[email protected]>
 L:	[email protected]
 S:	Supported
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
@@ -8472,7 +8472,7 @@
 M:	Josh Triplett <[email protected]>
 R:	Steven Rostedt <[email protected]>
 R:	Mathieu Desnoyers <[email protected]>
-R:	Lai Jiangshan <[email protected]>
+R:	Lai Jiangshan <[email protected]>
 L:	[email protected]
 W:	http://www.rdrop.com/users/paulmck/RCU/
 S:	Supported
@@ -9340,7 +9340,7 @@
 F:	mm/sl?b*
 
 SLEEPABLE READ-COPY UPDATE (SRCU)
-M:	Lai Jiangshan <[email protected]>
+M:	Lai Jiangshan <[email protected]>
 M:	"Paul E. McKenney" <[email protected]>
 M:	Josh Triplett <[email protected]>
 R:	Steven Rostedt <[email protected]>