Fixes for replacer issues

Author: bschuiling

build/shortpixel/replacer/src/Libraries/Unserialize/DisallowedClassesSubstitutor.php

@@ -1,5 +1,5 @@
 <?php
-namespace EnableMediaReplace\Replacer\Libraries;
+namespace EnableMediaReplace\Replacer\Libraries\Unserialize;
 
 
 /**

build/shortpixel/replacer/src/Replacer.php

@@ -319,6 +319,11 @@ private function replaceContent($content, $search, $replace, $in_deep = false)
 			{
 				$serialized_content = $content; // use to return content back if incomplete classes are found, prevent destroying the original information
 	    	$content = Unserialize::unserialize($content, array('allowed_classes' => false));
+				// bail directly on incomplete classes. In < PHP 7.2 is_object is false on incomplete objects!
+				if (true === $this->checkIncomplete($content))
+				{
+					 return $serialized_content;
+				}
 			}
 
 	    $isJson = $this->isJSON($content);