CONTRIBUTORS in logstash-output-exec-2.0.2 vs CONTRIBUTORS in logstash-output-exec-2.0.4

@@ -1,7 +1,10 @@
 The following is a list of people who have contributed ideas, code, bug
 reports, or in general have helped logstash along its way.
 
+Maintainers:
+* Magnus Bäck (magnusbaeck)
+
 Contributors:
 * Alexander Fortin (shaftoe)
 * Jordan Sissel (jordansissel)
 * Kurt Hurtado (kurtado)
 * Pier-Hugues Pellerin (ph)