HACKING.asciidoc: update some info about the supported ffmpeg version
authorAntonio Ospite <ao2@ao2.it>
Thu, 1 Mar 2018 16:34:05 +0000 (17:34 +0100)
committerAntonio Ospite <ao2@ao2.it>
Thu, 1 Mar 2018 16:34:05 +0000 (17:34 +0100)

No differences found