Convert winmm to use CreateThread and add missing WAVE_FORMAT_48s16 macro for MinGW
Convert winmm to use CreateThread and add missing WAVE_FORMAT_48s16 macro for MinGW

kinetiknz/cubeb,padenot/cubeb,kinetiknz/cubeb,padenot/cubeb,ieei/cubeb,ieei/cubeb,padenot/cubeb,kinetiknz/cubeb