Cleaning up whitespace

core/modules/image/image.module

@@ -987,7 +987,7 @@ function image_effect_load($ieid, $style_name) {
 function image_effect_save($style_name, $effect) {
   $config = config('image.styles.' . $style_name);
 
-  if (empty($effect['ieid'])) {
+  if (!isset($effect['ieid']) || empty($effect['ieid'])) {
     // We need to generate the ieid and save the new effect.
     // The machine name is all the elements of the data array concatenated
     // together, delimited by underscores.