Issue #2875456 by mikeytown2: Cleanup coder warnings

advagg_validator/src/Form/BaseValidatorForm.php

@@ -262,7 +262,7 @@ abstract class BaseValidatorForm extends AdvaggFormBase {
    *   An associative array (keyed on the chosen key) of objects with 'uri',
    *   'filename', and 'name' members corresponding to the matching files.
    */
-  protected function scanDirectory($dir, $mask, $options = [], $depth = 0) {
+  protected function scanDirectory($dir, $mask, array $options = [], $depth = 0) {
     // Merge in defaults.
     $options += [
       'nomask' => '/(\.\.?|CVS)$/',