nixpkgs

b8083950 - libidn2: 2.0.1 -> 2.0.2

libidn2: 2.0.1 -> 2.0.2 See https://lists.gnu.org/archive/html/info-gnu/2017-04/msg00011.html for release information (cherry picked from commit b8ee0d54aa11e9f23d4c7858b990374012ad2b2e)