phpExtensions.mongodb: 2.1.8 -> 2.2.0 (#489761)

buildPecl rec {

  pname = "mongodb";

  version = "2.1.8";

  version = "2.2.0";

  src = fetchFromGitHub {

    owner = "mongodb";

    repo = "mongo-php-driver";

    rev = version;

    hash = "sha256-KX4e14D3oA8OpvoeeM6z/OY6Xtvf7OgxPjJM66DbJlw=";

    hash = "sha256-iaDhI3LA/kTJqk6ViMlwLsmSpg20EogGskBrinVKpME=";

    fetchSubmodules = true;

  };