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.

This is version 3.1 of the iniparser library developed by N. Devillard.
See http://ndevilla.free.fr/iniparser/ for details and new versions.