MAINTAINERS: email update

Changed to my private email address as I left Samsung.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index ddf7625..e9098d0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4888,7 +4888,7 @@
 
 INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
 M:	Mimi Zohar <zohar@linux.vnet.ibm.com>
-M:	Dmitry Kasatkin <d.kasatkin@samsung.com>
+M:	Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
 L:	linux-ima-devel@lists.sourceforge.net
 L:	linux-ima-user@lists.sourceforge.net
 L:	linux-security-module@vger.kernel.org