Comment 2 for bug 1545259

StacktraceTop:
 g_malloc0_n () from /tmp/apport_sandbox_woZwZd/lib/x86_64-linux-gnu/libglib-2.0.so.0
 gcal_year_view_component_added (subscriber=<optimized out>, client=0x717370, comp=0xbf9d80) at gcal-year-view.c:1146
 cal_data_model_foreach_subscriber_in_range (data_model=0x71d290, client=0x717370, in_range_start=1450645200, in_range_end=1450731599, func=0x418aa0 <cal_data_model_add_component_cb>, user_data=0xbf9d80) at e-cal-data-model.c:623
 cal_data_model_process_added_component (data_model=0x71d290, view_data=0xde4760, comp_data=0xaa3670, known_instances=0x0) at e-cal-data-model.c:901
 cal_data_model_process_modified_or_added_objects (view=0x7fee74001e60, objects=<optimized out>, data_model=0x71d290, is_add=<optimized out>) at e-cal-data-model.c:1248