Fix check method

Author: rastating

modules/exploits/pootle_button_reflected_xss_shell_upload.rb

@@ -19,11 +19,11 @@ def initialize
   end
 
   def check
-    check_plugin_version_from_readme('pootle', '1.2.0')
+    check_plugin_version_from_readme('pootle-button', '1.2.0')
   end
 
   def vulnerable_url
-    normalize_uri(wordpress_url_admin, 'admin-ajax.php')
+    wordpress_url_admin_ajax
   end
 
   def url_with_xss