Re-enable "always" option for videosupport option in sip.conf.

(closes issue #17016)
Reported by: twilson
Patches:
      17016.patch uploaded by mmichelson (license 60)
	  Tested by: devmod



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@265842 65c4cc65-6c06-0410-ace0-fbb531ad65f3