ECalClient: Pass a weak reference to D-Bus signal handlers.
ECalClient: Pass a weak reference to D-Bus signal handlers.

I don't trust even g_signal_connect_object() to be thread-safe.

matzipan/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,tintou/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server