Forwarding non-urgent IMAP messages could inadvertently cause the messages

to be marked urgent. This fixes that issue.

(closes issue #12895)
Reported by: jaroth
Patches:
      urgent_forwarding.patch uploaded by jaroth (license 50)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@123867 65c4cc65-6c06-0410-ace0-fbb531ad65f3