1.99.3
- sync with core<-->plugin API change for RomOpen()
- bugfix: logical error in previous audio refactoring causing slowdown/lockup on loading savestate or re-initializing audio
- Makefile improvements:
- 'sdl-config --libs' can give "-Wl,-rpath", so plugin must be linked with CC instead of LD
- issue #257: added to makefile OS type GNU/kFreeBSD