fixes for windows builds (SF#1809863: https://sourceforge.net/tracker2/?func=detail&aid=1809863&group_id=13478&atid=113478)
fixes for windows builds (SF#1809863: https://sourceforge.net/tracker2/?func=detail&aid=1809863&group_id=13478&atid=113478)

kode54/flac,fredericgermain/flac,LordJZ/libflac,Distrotech/flac,waitman/flac,LordJZ/libflac,LordJZ/libflac,waitman/flac,Distrotech/flac,kode54/flac,Distrotech/flac,kode54/flac,waitman/flac,fredericgermain/flac,kode54/flac,waitman/flac,waitman/flac,fredericgermain/flac,fredericgermain/flac,Distrotech/flac,LordJZ/libflac