Merged revisions 46526 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r46526 | kpfleming | 2006-10-30 16:19:55 -0600 (Mon, 30 Oct 2006) | 3 lines

when unregistering a translator, don't rebuild the translation matrix unless needed
when filtering formats out of an offer, ensure we check for translation ability in both directions

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@46529 65c4cc65-6c06-0410-ace0-fbb531ad65f3