MAINTAINERS: Fix typo in email address

Fix a typo in one of the copies of Aurelien Jarno's email address.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 35d4496..6115e4e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -480,7 +480,7 @@
 F: tcg/ia64/
 
 MIPS target
-M: Aurelien Jarno <aurelien@aurel32.ne>
+M: Aurelien Jarno <aurelien@aurel32.net>
 S: Maintained
 F: tcg/mips/