fix(i18n): silence spurious setfont stderr warning

[LaszloGombos]

This error has been here for years, but unreported by setfont. Not actionable.

CC @zdykstra

[zdykstra]

Thanks - I'll drop Void's patch once this lands in a release.

[stale[bot]]

This issue is being marked as stale because it has not had any recent activity. It will be closed if no further activity occurs. If this is still an issue in the latest release of Dracut and you would like to keep it open please comment on this issue within the next 7 days. Thank you for your contributions.

[zdykstra]

This isn't stale. It's just not being reviewed and merged.