Merged revisions 121861 via svnmerge from

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

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r121861 | tilghman | 2008-06-11 13:18:16 -0500 (Wed, 11 Jun 2008) | 3 lines

Make calls to ast_assert() actually test something, so that the error message
printed is not nonsensical (reported by mvanbaak via #asterisk-bugs).

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@121867 65c4cc65-6c06-0410-ace0-fbb531ad65f3