[#811][#812] Small gtk-ui fix.

sflphone-client-gnome/src/config/accountwindow.c

sflphone-client-gnome/src/contacts/calltree.c

sflphone-common/src/audio/audiortp/AudioRtpFactory.cpp

sflphone-common/src/audio/audiortp/ZrtpSessionCallback.cpp

sflphone-common/src/config/config.cpp

sflphone-common/src/config/config.h

sflphone-common/src/global.h

sflphone-common/src/managerimpl.cpp

sflphone-common/src/managerimpl.h

sflphone-common/src/sip/sipaccount.cpp

sflphone-common/src/sip/sipvoiplink.cpp