include paths in the source files.
mostly from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net
Originally committed as revision 9034 to svn://svn.ffmpeg.org/ffmpeg/trunk
and standard IEEE 8x8 block transforms
patch by Marc Hoffman, mmh pleasantst com
Originally committed as revision 8594 to svn://svn.ffmpeg.org/ffmpeg/trunk