[3dprinter-general] How to resolve gettext error "can't guess language"?

[Gregor Riepl]

> it determines the lang code in 4 patterns:
> [lang]/messages/
> [lang]/LC_MESSAGES/
> po/[lang]/[whatever].po
> [lang].po
> 
> resources/i18n/[lang]/cura.po does not match any of these;
> it will match if you place po files under i18n/po/

Can this be customized so it checks under resources/ ?

I'm strongly against modifying the upstream source code structure just
to silence an automatic verification tool in Debian...