*** Exception: bad PCM chunk size

I get
```
λ> w <- getWAVEFile "/tmp/32.wav"
*** Exception: bad PCM chunk size
CallStack (from HasCallStack):
error, called at ./Data/WAVE.hs:129:11 in WAVE-0.1.4-8i1KUwbYDI76VytDUuzQaO:Data.WAVE

```
when I export a file from Audacity using 32-bit float PCM. Is this library not meant to support the 32-bit float format?

(When I export as 16-bit signed PCM it works fine.)

Reproduce the failure with an Audacity-exported 32-bit float file such as /tmp/32.wav, then inspect Data/WAVE.hs around line 129 and the getWAVEFile entry point. Compare the failing format with the working 16-bit signed PCM case; done means 32-bit float PCM files are read without the bad PCM chunk size exception while existing 16-bit support remains working.

Written by the indexing model from the issue text.