gpgme: 1.12.0 -> 1.13.0
gpgme: 1.12.0 -> 1.13.0

https://lists.gnupg.org/pipermail/gnupg-announce/2019q1/000437.html

Drop autoreconfHook and git, otherwise version contains `-unknown`
which is unfortunate but also breaks build w/seahorse.

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs