Add my last name to copyright headers

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@9488 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/elbg.c

 /*
- * Copyright (C) 2007 Vitor <vitor1001@gmail.com>
+ * Copyright (C) 2007 Vitor Sessak <vitor1001@gmail.com>
  *
  * This file is part of FFmpeg.
  *

libavcodec/elbg.h

 /*
- * Copyright (C) 2007 Vitor <vitor1001@gmail.com>
+ * Copyright (C) 2007 Vitor Sessak <vitor1001@gmail.com>
  *
  * This file is part of FFmpeg.
  *

libavcodec/roqvideoenc.c

 /*
  * RoQ Video Encoder.
  *
- * Copyright (C) 2007 Vitor <vitor1001@gmail.com>
+ * Copyright (C) 2007 Vitor Sessak <vitor1001@gmail.com>
  * Copyright (C) 2004-2007 Eric Lasota
  *    Based on RoQ specs (C) 2001 Tim Ferguson
  *