add myself as maintainer for pcx.c and sunrast.c

Originally committed as revision 11346 to svn://svn.ffmpeg.org/ffmpeg/trunk

MAINTAINERS

@@ -154,6 +154,7 @@ Codecs:
   msvideo1.c                            Mike Melanson
   nellymoserdec.c                       Benjamin Larsson
   nuv.c                                 Reimar Doeffinger
+  pcx.c                                 Ivo van Poorten
   ptx.c                                 Ivo van Poorten
   qdm2.c, qdm2data.h                    Roberto Togni
   qdrw.c                                Kostya Shishkov
@@ -170,6 +171,7 @@ Codecs:
   smc.c                                 Mike Melanson
   snow.c                                Michael Niedermayer, Loren Merritt
   sonic.c                               Alex Beregszaszi
+  sunrast.c                             Ivo van Poorten
   svq3.c                                Michael Niedermayer
   targa.c                               Kostya Shishkov
   tiff.c                                Kostya Shishkov