bug in Status breaks png imges

Looks like you have a typo that breaks png image support:

debug.log:[08-Mar-2015 13:31:29 UTC] PHP Fatal error: Call to undefined function imagecreatefromgpng() in /var/www/html/make125.org/wordpress/wp-content/plugins/quick-status/lib/class_wdqs_image_downloader.php on line 90