[#1777] Code indentation

sflphone-common/libs/dbus-c++/src/eventloop.cpp

sflphone-common/src/account.cpp

sflphone-common/src/audio/audiortp.cpp

sflphone-common/src/audio/audiostream.cpp

sflphone-common/src/audio/codecs/g722.cpp

sflphone-common/src/audio/pulselayer.cpp

sflphone-common/src/config/config.cpp

sflphone-common/src/config/config.h

sflphone-common/src/history/historyitem.cpp

sflphone-common/src/history/historymanager.cpp

sflphone-common/src/main.cpp

sflphone-common/src/managerimpl.cpp

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

sflphone-common/src/sdp.cpp

sflphone-common/src/sipaccount.cpp

sflphone-common/src/sipvoiplink.cpp