Log message:
Add SHA512 digests for distfiles for audio category

Problems found with existing distfiles:
	/pub/pkgsrc/distfiles/amp-0.7.6.tgz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-music-32000-1.0.8.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-music-48000-1.0.8.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-en-us-callie-32000-1.0.22.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-en-us-callie-48000-1.0.22.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-fr-ca-june-32000-1.0.18.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-fr-ca-june-48000-1.0.18.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-ru-RU-elena-16000-1.0.12.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-ru-RU-elena-32000-1.0.12.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-ru-RU-elena-48000-1.0.12.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-ru-RU-elena-8000-1.0.12.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-fr-ca-june-32000-1.0.18.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-fr-ca-june-48000-1.0.18.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-ru-RU-elena-32000-1.0.13.tar.gz
	/pub/pkgsrc/distfiles/freeswitch/freeswitch-sounds-ru-RU-elena-48000-1.0.13.tar.gz
	/pub/pkgsrc/distfiles/kid3-3.3.0.tar.gz
	/pub/pkgsrc/distfiles/libdca-0.0.5.tar.bz2
	/pub/pkgsrc/distfiles/mp3to.gz
	/pub/pkgsrc/distfiles/squeezeboxserver-7.5.1-noCPAN.tgz
No changes made to these file.

Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden).  All existing
SHA1 digests retained for now as an audit trail.

Log message:
Import playitslowly-1.4.0 as audio/playitslowly.

'Play it slowly' is a tool to help you when practicing or
transcribing music. It allows you to play a piece of music
at a different speed or pitch.