the long awaited ao fixes. this hasn't been well tested.

Makefile.am

acinclude.m4

ao-config.in

ao.m4

configure.in

include/ao/ao.h

include/ao/os_types.h.in

src/Makefile.am

src/ao_null.c

src/ao_wav.c

src/audio_out.c

src/plugins/Makefile.am

src/plugins/alsa/Makefile.am

src/plugins/alsa/ao_alsa.c

src/plugins/esd/Makefile.am

src/plugins/esd/ao_esd.c

src/plugins/irix/ao_irix.c

src/plugins/oss/Makefile.am

src/plugins/oss/ao_oss.c

src/plugins/solaris/ao_solaris.c