Fix rtp_calc_samples() for the case of G.722. Should fix issue
Fix rtp_calc_samples() for the case of G.722. Should fix issue

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