sunvox: fix hash, unmark as broken
sunvox: fix hash, unmark as broken

the distribution was updated to include some missing executables without
bumping version https://warmplace.ru/forum/viewtopic.php?f=12&t=5661

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