Merged revisions 47693 via svnmerge from

Merged revisions 47693 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r47693 | kpfleming | 2006-11-15 14:27:38 -0600 (Wed, 15 Nov 2006) | 12 lines

Merged revisions 47677 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r47677 | kpfleming | 2006-11-15 11:56:42 -0600 (Wed, 15 Nov 2006) | 4 lines

ensure that message duration is included in email notifications for forwarded messages (BE-96, fix by me after corydon used his clue-bat on me)
ensure that duration in the message metadata is updated if prepending is done during forwarding (related to BE-96)
remove prototype for API call that does not exist

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@47694 65c4cc65-6c06-0410-ace0-fbb531ad65f3