Issue #2855700 by Steven Jones: Notice: Undefined index: recomporess in AdvDef and AdvPng

src/Plugin/ImageAPIOptimizeProcessor/AdvDef.php

@@ -62,7 +62,7 @@ class AdvDef extends ImageAPIOptimizeProcessorBinaryBase {
     $form['recompress'] = array(
       '#title' => $this->t('Recompress'),
       '#type' => 'checkbox',
-      '#default_value' => $this->configuration['recomporess'],
+      '#default_value' => $this->configuration['recompress'],
     );
 
     $form['mode'] = array(

src/Plugin/ImageAPIOptimizeProcessor/AdvPng.php

@@ -62,7 +62,7 @@ class AdvPng extends ImageAPIOptimizeProcessorBinaryBase {
     $form['recompress'] = array(
       '#title' => $this->t('Recompress'),
       '#type' => 'checkbox',
-      '#default_value' => $this->configuration['recomporess'],
+      '#default_value' => $this->configuration['recompress'],
     );
 
     $form['mode'] = array(