Fix issue with 16-bit PCM on 16-bit builds. Apparently I wrote that code forgetting that the resample type is 32-bit wide, with a 16-bit shift, and the type is signed. This prevented WAV files with a sample rate 32768Hz or higher from playing on 16-bit DOS builds.
Fix issue with 16-bit PCM on 16-bit builds. Apparently I wrote that code
forgetting that the resample type is 32-bit wide, with a 16-bit shift,
and the type is signed. This prevented WAV files with a sample rate
32768Hz or higher from playing on 16-bit DOS builds.

joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib,joncampbell123/doslib