The principle difference between libvorbisfile v1.1.2 and newer (at least
v1.2.0) is the addition of the predefined callbacks OV_CALLBACKS_xxx in
vorbis/vorbisfile.h used for ov_open_callbacks().

* Updated the configure script to detect if libvorbisfile.h declares
OV_CALLBACKS_NOCLOSE.

* Copied the declaration of OV_CALLBACKS_NOCLOSE from v1.2.0 to allow
v1.1.2 to compile.

(closes issue ASTERISK-19370)
Reported by: Jonn Taylor
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Merged revisions 355608 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 355620 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@355621 65c4cc65-6c06-0410-ace0-fbb531ad65f3