only set the QOS variables if the pvt has an owner so that they are not

created as global variables.  (The fact that these were getting created on
my system probably means that these are in the wrong place so oej, you may
want to look at this again.)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@33706 65c4cc65-6c06-0410-ace0-fbb531ad65f3