NAudio should not be referenced by Linux builds
NAudio should not be referenced by Linux builds

During SourcePackage builds of libpalaso, Windows DLLs are not
present and the build breaks due to "using NAudio.Wave" which
should not be used in Linux (since NAudio is Windows-only).

ddaspit/libpalaso,darcywong00/libpalaso,sillsdev/libpalaso,ermshiperete/libpalaso,glasseyes/libpalaso,darcywong00/libpalaso,andrew-polk/libpalaso,gtryus/libpalaso,sillsdev/libpalaso,hatton/libpalaso,mccarthyrb/libpalaso,ermshiperete/libpalaso,sillsdev/libpalaso,glasseyes/libpalaso,gtryus/libpalaso,mccarthyrb/libpalaso,hatton/libpalaso,JohnThomson/libpalaso,marksvc/libpalaso,marksvc/libpalaso,gmartin7/libpalaso,darcywong00/libpalaso,JohnThomson/libpalaso,gtryus/libpalaso,chrisvire/libpalaso,gmartin7/libpalaso,sillsdev/libpalaso,glasseyes/libpalaso,chrisvire/libpalaso,JohnThomson/libpalaso,chrisvire/libpalaso,tombogle/libpalaso,gmartin7/libpalaso,mccarthyrb/libpalaso,ermshiperete/libpalaso,hatton/libpalaso,hatton/libpalaso,ddaspit/libpalaso,JohnThomson/libpalaso,ddaspit/libpalaso,marksvc/libpalaso,gmartin7/libpalaso,tombogle/libpalaso,andrew-polk/libpalaso,tombogle/libpalaso,tombogle/libpalaso,mccarthyrb/libpalaso,andrew-polk/libpalaso,gtryus/libpalaso,chrisvire/libpalaso,glasseyes/libpalaso,ddaspit/libpalaso,andrew-polk/libpalaso,ermshiperete/libpalaso