Description of problem:
1) In Evolution's calendar view, create a new calendar of the "Weather" type.
2) Right click on the weather calendar in the side bar and select "Properties".
3) Evolution crashes.

Version-Release number of selected component:
evolution-3.8.5-2.fc19

Additional info:
reporter:       libreport-2.1.9
backtrace_rating: 4
cmdline:        evolution
crash_function: gweather_location_equal
executable:     /usr/bin/evolution
kernel:         3.11.7-200.fc19.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 gweather_location_equal at gweather-location.c:860
 #1 gweather_location_entry_set_location at location-entry.c:242
 #2 object_set_property at gobject.c:1358
 #3 g_object_set_property at gobject.c:2155
 #4 on_source_notify at gbinding.c:379
 #5 g_object_bind_property_full at gbinding.c:959
 #6 cal_config_weather_insert_widgets at evolution-cal-config-weather.c:199
 #7 source_config_add_candidate at e-source-config.c:218
 #8 source_config_init_for_editing_source at e-source-config.c:491
 #9 source_config_realize at e-source-config.c:719