Fix function get_config_bytes

found error in switch, all cases returning same bytes-val

Author: richlab

server/php/UploadHandler.php

@@ -384,9 +384,9 @@ public function get_config_bytes($val) {
         }
         switch ($last) {
             case 'g':
-                $val *= 1024;
+                $val *= 1024 * 1024 * 1024;
             case 'm':
-                $val *= 1024;
+                $val *= 1024 * 1024;
             case 'k':
                 $val *= 1024;
         }