Relinquish maintainership of adtsenc.c from Måns grasp :)

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@17189 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

MAINTAINERS

@@ -232,7 +232,7 @@ Generic parts:
 
 Muxers/Demuxers:
   4xm.c                                 Mike Melanson
-  adtsenc.c                             Mans Rullgard
+  adtsenc.c                             Robert Swain
   aiff.c                                Baptiste Coudurier
   ape.c                                 Kostya Shishkov
   avi*                                  Michael Niedermayer