[#2403] make indent

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

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

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

sflphone-common/libs/dbus-c++/src/ecore-integration.cpp

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

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

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

sflphone-common/libs/dbus-c++/src/glib-integration.cpp

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

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

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

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

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

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

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

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

sflphone-common/libs/dbus-c++/tools/generate_adaptor.cpp

sflphone-common/libs/dbus-c++/tools/generate_proxy.cpp

sflphone-common/libs/dbus-c++/tools/generator_utils.cpp

sflphone-common/libs/dbus-c++/tools/introspect.cpp