Add my last name to copyright headers

Originally committed as revision 9488 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/elbg.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 Vitor <vitor1001@gmail.com>
+ * Copyright (C) 2007 Vitor Sessak <vitor1001@gmail.com>
  *
  * This file is part of FFmpeg.
  *

libavcodec/elbg.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007 Vitor <vitor1001@gmail.com>
+ * Copyright (C) 2007 Vitor Sessak <vitor1001@gmail.com>
  *
  * This file is part of FFmpeg.
  *

libavcodec/roqvideoenc.c

@@ -1,7 +1,7 @@
 /*
  * 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
  *