Allow qlen parameter of the init() to be <=0 in which case never wake up query.
Allow qlen parameter of the init() to be <=0 in which case never
wake up query.

dsanders11/rtpproxy,jevonearth/rtpproxy,hongbinz/rtpproxy,sippy/rtpproxy,synety-jdebp/rtpproxy,dsanders11/rtpproxy,jevonearth/rtpproxy,jevonearth/rtpproxy,hongbinz/rtpproxy,synety-jdebp/rtpproxy,jevonearth/rtpproxy,sippy/rtpproxy,hongbinz/rtpproxy,hongbinz/rtpproxy,synety-jdebp/rtpproxy,dsanders11/rtpproxy,synety-jdebp/rtpproxy,sippy/rtpproxy