http: Add missing html tag to 'httpstatus' functionality.

ASTERISK-24724 #close
Reported by: Ashley Sanders
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Merged revisions 432078 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 432079 from http://svn.asterisk.org/svn/asterisk/branches/13


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@432080 65c4cc65-6c06-0410-ace0-fbb531ad65f3