Update src/include/psp2/audioin.h
Update src/include/psp2/audioin.h

psp2sdk/cmake,psp2sdk/cmake,173210/psp2sdk,173210/psp2sdk_travis,psp2sdk/cmake,173210/psp2sdk,173210/psp2sdk,173210/psp2sdk_travis,173210/psp2sdk_travis