fix build on linux/windows
fix build on linux/windows


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