[Bug 58741] New: Maintainer requests should only be submittable once

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=58741

Bug ID: 58741
           Summary: Maintainer requests should only be submittable once
           Product: WineHQ Apps Database
           Version: unspecified
          Hardware: x86-64
               URL: https://appdb.winehq.org/objectManager.php?sClass=main
                    tainer&sState=queued&sTitle=Maintainer%20Queue
                OS: Linux
            Status: NEW
          Keywords: download, source
          Severity: minor
          Priority: P2
         Component: appdb-unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 79371
  --> http://bugs.winehq.org/attachment.cgi?id=79371
Screenshot

A user can currently submit as many requests to maintain an application as they
want, effectively spamming the queue. There's no reason for there to ever be
more than one request per user per application (or version).