Make medianum variable consistently unsigned.
Make medianum variable consistently unsigned.

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