fix composer.json

[pharext/pharext] / composer.json

{
        "name": "m6w6/pharext",
        "description": "Package PHP extensions as self-installing PHARs",
        "keywords": ["ext", "extension", "phar", "package", "install"],
        "type": "project",
        "license": "BSD-2-Clause",
        "bin": [
                "bin/pharext", 
                "bin/pharext.pubkey",
                "bin/pharext.update",
                "bin/pharext.update.pubkey"
        ],
        "autoload": {
                "psr-0": {
                        "pharext": "src"
                }
        }
}