Do not call AddCI when air mine is frozen without creating land
I.e. when it is frozen out of land bounds.
[package]
name = "land2d"
version = "0.1.0"
authors = ["Andrey Korotaev <a.korotaev@hedgewars.org>"]
edition = "2018"
[dependencies]
vec2d = { path = "../vec2d" }
integral-geometry = { path = "../integral-geometry" }