moving debug message from level 0 to 1.

(closes issue #15404)
Reported by: leobrown
Patches:
      iax_codec_debug.patch uploaded by leobrown (license 541)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@203710 65c4cc65-6c06-0410-ace0-fbb531ad65f3