Split concatenated conditions into two separate lines

Author: rastating

lib/wpxf/wordpress/file_download.rb

@@ -87,7 +87,8 @@ def before_download
   def run
     validate_implementation
 
-    return false unless super || !before_download
+    return false unless super
+    return false unless before_download
 
     res = request_file
     return false unless validate_result(res) && validate_content(res.body)