Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.
Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
This is based on patches by Alex Converse and Mans Rullgard
Thread "[PATCH] Fix MSRLE type punning"
Originally committed as revision 16013 to svn://svn.ffmpeg.org/ffmpeg/trunk