* e-summary-shown.c (e_summary_shown_freeze,
e_summary_shown_thaw): New, to free/thaw the ETree models.
(e_summary_shown_add_node): Don't freeze/thaw around the single
add here. That doesn't really help much.
* e-summary-preferences.c (fill_rdf_etable): Freeze/thaw the
ESummaryShown while filling it in.
* e-summary-weather.c (e_summary_weather_fill_etable): Likewise.
svn path=/trunk/; revision=20263