Fix game window width/height setting being broken when using Arabic locale Qt displays numbers differently in Arabic. The spinbox window height/width used getText instead of value to get the value, which was wrong because this gets the user-facing string (in arabic) instead of the number to use internally.

[package]
name = "land2d"
version = "0.1.0"
authors = ["Andrey Korotaev <a.korotaev@hedgewars.org>"]

[dependencies]
vec2d = { path = "../vec2d" }
integral-geometry = { path = "../integral-geometry" }