snd_mgr: remove support for sound cones (will not be used); only set
VSrc rolloff factor if relative flag is set
main: hack: flip listener up vector to 'fix' L/R flip (cause is unknown,
coord systems appear to be correct)
This was SVN commit r6092.
win_internal -> win.h (pulls in <windows.h>, with fixes afterwards)
remove empty waio_internal and wsysdep
Move source/sound license notice into source/sound/license.txt
This was SVN commit r5044.
Forgot that you can't initialise std::exception with a message.
Fixed invalid goto jumping over declarations that aren't POD types with
no initialiser.
This was SVN commit r4793.
