Switch license from GPL to LGPL. The original author agreed to this as

stated in the commit message adding this file.

Originally committed as revision 6181 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/armv4l/simple_idct_arm.S

@@ -5,20 +5,20 @@
  *
  * Author: Frederic Boulay <dilb@handhelds.org>
  *
- * You can redistribute this file and/or modify
- * it under the terms of the GNU General Public License (version 2)
- * as published by the Free Software Foundation.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
  *
- * This file is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this library; if not, write to the Free Software
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  *
- *
  * The function defined in this file, is derived from the simple_idct function
  * from the libavcodec library part of the ffmpeg project.
  */