fix mixing declarations and side effects

Author: sni

histou/bootstrap.php

@@ -8,17 +8,9 @@
 @link https://github.com/ConSol/histou
 **/
 
-function getPath()
-{
-    return substr(realpath(dirname(__FILE__)), 0, -6);
-}
-
-spl_autoload_register('histou_autoload');
-
-function histou_autoload($className)
-{
+spl_autoload_register(function ($className) {
     $file = strtolower(str_replace('\\', DIRECTORY_SEPARATOR, $className)).'.php';
     if (file_exists($file)) {
         require_once $file;
     }
-}
+});