vcpkg/ports/jack2/jack.def, branch master

vcpkg/ports/jack2/jack.def, branch master Forked from https://github.com/microsoft/vcpkg [jack2] update to 1.9.19; install pkgconfig file; fix library name (#19270) 2021-08-05T10:23:41+00:00 Be be@mixxx.org 2021-08-05T10:23:41+00:00 3ab8c7487451cc61c778258c92bd88dfe3c5f32e Also: * allow dynamic linking by adding jack.def file * replace deprecated vcpkg functions * replace legacy CONTROL file with vcpkg.json

Also:
* allow dynamic linking by adding jack.def file
* replace deprecated vcpkg functions
* replace legacy CONTROL file with vcpkg.json