Merged revisions 74211 via svnmerge from

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

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r74211 | russell | 2007-07-09 16:31:30 -0500 (Mon, 09 Jul 2007) | 5 lines

Update the configure script to check for a required function that is not present
in the 1.2 version of libpri.  This will prevent the configure script from thinking
that it has compatible libpri support for Asterisk 1.4, when it actually does not
because the installed version is from 1.2.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@74212 65c4cc65-6c06-0410-ace0-fbb531ad65f3