Comment 2 for bug 730977

StacktraceTop:
 icaltimezone_get_utc_offset (zone=<value optimized out>, tt=0xbfc9dfb8, is_daylight=0x0) at /build/buildd/libical-0.44/src/libical/icaltimezone.c:906
 icaltimezone_convert_time (tt=0xbfc9dfb8, from_zone=0xa8ed0b8, to_zone=0x3592a0) at /build/buildd/libical-0.44/src/libical/icaltimezone.c:789
 icaltime_as_timet_with_zone (tt=..., zone=0xa8ed0b8) at /build/buildd/libical-0.44/src/libical/icaltime.c:409
 e_cal_recur_generate_instances_of_rule (comp=0xa46e510, prop=0x0, start=1298880000, end=1302505200, cb=0x16f020 <check_instance_time_range_cb>, cb_data=0xa8fadf0, tz_cb=0x16f680 <resolve_tzid>, tz_cb_data=0xa8fadf0, default_timezone=0x9e37a18) at e-cal-recur.c:715
 func_occur_in_time_range (esexp=0xa8f9ef0, argc=2, argv=0xbfc9e270, data=0xa8fadf0) at e-cal-backend-sexp.c:390