fix a spurious RTP warning
fix a spurious RTP warning


gotomypc/qxmpp,gamenet/qxmpp_old,ycsoft/qxmpp,LightZam/qxmpp,Ilyatk/qxmpp,kollix/qxmpp,cccco/qxmpp,kollix/qxmpp,projedi/qxmpp-ffmpeg,trulabs/qxmpp-old,unisontech/qxmpp,KangLin/qxmpp,gamenet/qxmpp,gamenet/qxmpp,pol51/QXMPP-CMake,Kaffeine/qxmpp,Kaffeine/qxmpp,projedi/qxmpp-ffmpeg,LightZam/qxmpp,deepak899/qxmpp,gamenet/qxmpp_old,unisontech/qxmpp,gotomypc/qxmpp,Ilyatk/qxmpp,trulabs/qxmpp-old,pol51/QXMPP-CMake,deepak899/qxmpp,cccco/qxmpp,kollix/qxmpp,trulabs/qxmpp-old,gamenet/qxmpp_old,ycsoft/qxmpp,pol51/QXMPP-CMake,cccco/qxmpp,olesalscheider/qxmpp,unisontech/qxmpp,KangLin/qxmpp,olesalscheider/qxmpp,ycsoft/qxmpp,gotomypc/qxmpp,KangLin/qxmpp,Ilyatk/qxmpp,Kaffeine/qxmpp,LightZam/qxmpp,olesalscheider/qxmpp,gamenet/qxmpp,deepak899/qxmpp