Merged revisions 105568 via svnmerge from

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

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r105568 | russell | 2008-03-03 11:05:16 -0600 (Mon, 03 Mar 2008) | 3 lines

Fix a potential memory leak of the local_pvt struct when ast_channel allocation
fails.  Also, in passing, centralize the code necessary to destroy a local_pvt.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@105569 65c4cc65-6c06-0410-ace0-fbb531ad65f3