Get the device state of the state interface instead of the interface when...

Get the device state of the state interface instead of the interface when creating a new queue member.
Thanks to Atis Lezdins for bringing this up on the Asterisk-Dev mailing list.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@98993 65c4cc65-6c06-0410-ace0-fbb531ad65f3