PHP: Add pdo-dblib and remove mssql patch (from adamv/homebrew-alt#191)
PHP: Add pdo-dblib and remove mssql patch (from adamv/homebrew-alt#191)

ablyler/homebrew-php,mkalkbrenner/homebrew-php,dguyon/homebrew-php,TomK/homebrew-php,philcook/homebrew-php