Use g_dbus_connection_call_async when possible
Use g_dbus_connection_call_async when possible

Original git commit by Alexander Larsson <alex@greebo.(none)> at 1171299338 +0100

svn path=/trunk/; revision=334

xkahn/gvfs-cmis,cpatulea/gvfs,cpatulea/gvfs,gicmo/gvfs,philipl/gvfs,halfline/gvfs,gicmo/gvfs,philipl/gvfs,thiblahute/gvfs,halfline/gvfs,xkahn/gvfs-cmis,halfline/gvfs,thiblahute/gvfs,philipl/gvfs,gicmo/gvfs,gicmo/gvfs,xkahn/gvfs-cmis,xkahn/gvfs-cmis