Merge pull request tomaszsita#11 from sitecrafting/master

acobster — Fixes bug preventing creation of new Retina crops

* sitecrafting-master:
  bugfix: prevent check for whether to make a Retina crop from always failing

lib/ManualImageCrop.php

@@ -437,7 +437,7 @@ public function cropImage( $data = null, $silent_result = false ) {
 		}
 
 		// Generate Retina Image
-		if ( isset( $data['make2x'] ) && $data['make2x'] === 'true' ) {
+		if ( isset( $data['make2x'] ) && $data['make2x'] === true ) {
 			$dst_w2x = $dst_w * 2;
 			$dst_h2x = $dst_h * 2;