Merged revisions 102453 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r102453 | mmichelson | 2008-02-05 14:02:44 -0600 (Tue, 05 Feb 2008) | 8 lines

Clear the DTMF buffer on hangup.

(closes issue #11919)
Reported by: eferro
Patches:
      mgcp_dtmfclean_on_hangup.diff uploaded by eferro (license 337)
	  Tested by: eferro

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@102454 65c4cc65-6c06-0410-ace0-fbb531ad65f3