AMI Docs: Fix Status channel parameter optionality
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Merged revisions 421442 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 421443 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 421444 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/13@421445 f38db490-d61c-443f-a65b-d21fe96a405b
Fix compilation error on certain versions of GCC.
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Merged revisions 421447 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/13@421448 f38db490-d61c-443f-a65b-d21fe96a405b