media-sound/jack2: Adjust version to match the one in wscript
tree891918b9bcf205570f09e25c2b8c9b0f8bd4e973
drwxr-xr-x - dev-cpp
drwxr-xr-x - dev-lang
drwxr-xr-x - media-sound
drwxr-xr-x - metadata
drwxr-xr-x - profiles