Slight bodge for wav info chunk length parsing

https://github.com/jrlanglois/JUCE/commit/22346b7a23720036ede0f492f742a9e200c62ab1

Note that I can't legally share the file at fault.

Cheers Joel, will take a look!

You should do a check to make sure the length is an even value or advance the position by an extra byte if it’s not.

Rail