fixed some style errors found by scrutinizer

inc/Action/AbstractAliasAction.php

@@ -17,7 +17,7 @@ use dokuwiki\Action\Exception\FatalException;
 abstract class AbstractAliasAction extends AbstractAction {
 
     /** @inheritdoc */
-    function minimumPermission() {
+    public function minimumPermission() {
         return AUTH_NONE;
     }
 

inc/Action/Resendpwd.php

@@ -51,7 +51,7 @@ class Resendpwd extends AbstractAclAction {
      * @fixme this should be split up into multiple methods
      * @return bool true on success, false on any error
      */
-    function resendpwd() {
+    protected function resendpwd() {
         global $lang;
         global $conf;
         /* @var \DokuWiki_Auth_Plugin $auth */

inc/ActionRouter.php

@@ -177,7 +177,7 @@ class ActionRouter {
     public function loadAction($actionname) {
         $actionname = strtolower($actionname); // FIXME is this needed here? should we run a cleanup somewhere else?
         $parts = explode('_', $actionname);
-        while($parts) {
+        while(!empty($parts)) {
             $load = join('_', $parts);
             $class = 'dokuwiki\\Action\\' . str_replace('_', '', ucwords($load, '_'));
             if(class_exists($class)) {