[Evolution] E does not build with libical-3.0.1

[Joakim Tjernlund <Joakim Tjernlund infinera com>]

Just a heads up:

/var/tmp/portage/gnome-extra/evolution-data-server-3.24.6/work/evolution-data-server-3.24.6/src/calendar/libecal/e-cal-component.c:
 In function ?get_datetime?:
/var/tmp/portage/gnome-extra/evolution-data-server-3.24.6/work/evolution-data-server-3.24.6/src/calendar/libecal/e-cal-component.c:2525:33:
 error: ?struct icaltimetype? has no member named ?is_utc?
  else if (dt->value && dt->value->is_utc)
                                 ^
/var/tmp/portage/gnome-extra/evolution-data-server-3.24.6/work/evolution-data-server-3.24.6/src/calendar/libecal/e-cal-component.c:
 In function ?set_datetime?:
/var/tmp/portage/gnome-extra/evolution-data-server-3.24.6/work/evolution-data-server-3.24.6/src/calendar/libecal/e-cal-component.c:2562:12:
 error: ?struct icaltimetype? has no member named ?is_utc?
   dt->value->is_utc = 1;
            ^
/var/tmp/portage/gnome-extra/evolution-data-server-3.24.6/work/evolution-data-server-3.24.6/src/calendar/libecal/e-cal-component.c:2564:12:
 error: ?struct icaltimetype? has no member named ?is_utc?
   dt->value->is_utc = 0;