Separate option_types[] from the struct definition.

Updated the option_types[] doxygen comment.
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Merged revisions 380853 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 380854 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@380855 65c4cc65-6c06-0410-ace0-fbb531ad65f3