Fix path to composer autoloader when being installed as a dependency

Author: aboks

bin/php-src-devtools

@@ -4,7 +4,11 @@
 use Aboks\PhpSrcDevtools\Application;
 use Symfony\Component\Console\Input\ArgvInput;
 
-require_once __DIR__ . '/../vendor/autoload.php';
+if (is_file(__DIR__ . '/../../../autoload.php')) {
+    require_once __DIR__ . '/../../../autoload.php';
+} else {
+    require_once __DIR__ . '/../vendor/autoload.php';
+}
 
 $input = new ArgvInput();
 $input->setStream(STDIN);