[gnome-system-monitor] Made myself the new maintainer

[Robert Roth <robertroth src gnome org>]

commit 0599150ebf8a52ba032586631a46bd86951f55fe
Author: Robert Roth <robert roth off gmail com>
Date:   Tue Jul 24 05:09:41 2018 +0000

    Made myself the new maintainer

 MAINTAINERS | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/MAINTAINERS b/MAINTAINERS
index 875aadc5..54f82151 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1,4 +1,4 @@
-Chris Kühl
-E-mail: blixtra gmail com
-Userid: chriskuehl
+Robert Roth
+E-mail: robert roth off gmail com
+IRC/Matrix: evfool