Merged revisions 63654 via svnmerge from

Merged revisions 63654 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r63654 | mattf | 2007-05-09 12:25:21 -0500 (Wed, 09 May 2007) | 10 lines

Merged revisions 63653 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.2

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r63653 | mattf | 2007-05-09 12:20:20 -0500 (Wed, 09 May 2007) | 2 lines

Make sure we only create a DSP if it's requested on SUB_REAL

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@63655 65c4cc65-6c06-0410-ace0-fbb531ad65f3