Globally rename the header inclusion guard names.
Consistently apply this rule: the guard name is obtained from thefilename by stripping the leading "lib", converting '/' and '.' to'_' and uppercasing the resulting name. Guard names in the rootdirectory have to be prefixed by "FFMPEG_"....
Originally committed as revision 14668 to svn://svn.ffmpeg.org/ffmpeg/trunk
less preprocessor magic in version number macros
Originally committed as revision 12246 to svn://svn.ffmpeg.org/ffmpeg/trunk
Clean up lib* version definitions
Updating version numbers now requires changing only one place.
Originally committed as revision 12154 to svn://svn.ffmpeg.org/ffmpeg/trunk
Originally committed as revision 11077 to svn://svn.ffmpeg.org/ffmpeg/trunk