When searching for under Plugins > Add New this warning shows up `Notice: Undefined property: stdClass::$slug in /doc_root/wp-content/plugins/github-updater/updater.php on line 379` To fix this we just need to make sure the slug property exists before checking !=
Merge pull request #53 from ninnypants/fix_response_slug_warning

Fix PHP notice that shows when searching under Plugins > Add New.

Props @ninnypants