Fix sip_cfg.notifycid to be set with the defined enum values.
The invalid value used when notifycid was enabled was benign. As far as
the code was concerned -1 and 1 are equivalent.
(closes issue ASTERISK-19232)
Reported by: Eike Kuiper
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Merged revisions 352090 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 352091 from http://svn.asterisk.org/svn/asterisk/branches/10
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@352092
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