[#1910] Remove warnings compilation in src

sflphone-common/src/account.cpp

sflphone-common/src/account.h

sflphone-common/src/audio/audiostream.cpp

sflphone-common/src/hooks/urlhook.cpp

sflphone-common/src/iaxvoiplink.cpp

sflphone-common/src/main.cpp

sflphone-common/src/managerimpl.cpp

sflphone-common/src/managerimpl.h

sflphone-common/src/plug-in/audiorecorder/audiorecord.cpp

sflphone-common/src/sdp.cpp

sflphone-common/src/sdp.h

sflphone-common/src/sipaccount.cpp

sflphone-common/src/sipcall.h

sflphone-common/src/sipvoiplink.cpp

sflphone-common/src/sipvoiplink.h

sflphone-common/src/voiplink.cpp