vcpkg/ports/libsrtp, branch 2020.04

vcpkg/ports/libsrtp, branch 2020.04 Forked from https://github.com/microsoft/vcpkg Port for libsrtp (#8046) 2019-09-12T05:34:35+00:00 Aaron Clauson aaron@sipsorcery.com 2019-09-12T05:34:35+00:00 c85d63bf5afa0166e9003177eeb69a03c18351a4 * Port for libsrtp. * Added compiler flags to fix uwp build. * Added windows conditional around setting compiler flags.

* Port for libsrtp.

* Added compiler flags to fix uwp build.

* Added windows conditional around setting compiler flags.