cosmetics: Remove file name from file header.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@17984 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/ppc/fdct_altivec.c

-/* ffmpeg/libavcodec/ppc/fdct_altivec.c, this file is part of the
- * AltiVec optimized library for the FFMPEG Multimedia System
+/*
  * Copyright (C) 2003  James Klicman <james@klicman.org>
  *
  * This file is part of FFmpeg.