[Tuxmath-devel] Translation sring needs to mention the new list

[Fòram na G. <fi...@fo...>]

Should the dfollowing string be updated now?

src/menu.c:217

TuxMath version %s is free and open-source!
You can help make it better.
Suggestions, artwork, and code are all welcome!
Discuss TuxMath at tux...@li...

I recommend using an sprintf placeholder for the name of the mailing
list, so this string won't need retranslation if the list should change
again in the future.