Merged revisions 164978 via svnmerge from

Merged revisions 164978 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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r164978 | mmichelson | 2008-12-16 17:06:04 -0600 (Tue, 16 Dec 2008) | 15 lines

Merged revisions 164977 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r164977 | mmichelson | 2008-12-16 17:04:27 -0600 (Tue, 16 Dec 2008) | 7 lines

After looking through SIP registration code most of the day, this
is one of the few things I could find that was just plain wrong.
Even though it probably isn't possible for it to happen, it seems weird
to have code that checks if a pointer is NULL and then immediately dereferences
that pointer if it was NULL.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@164979 65c4cc65-6c06-0410-ace0-fbb531ad65f3