tableprint: use the type name as-is for the functions' names.

tableprint: use the type name as-is for the functions' names.

This drops one parameter from the functions' macros, and require structures
to be typedeffed, but ensures that it is possible to map 1-to-1 the type to
the function name.

Originally committed as revision 23820 to svn://svn.ffmpeg.org/ffmpeg/trunk