[Bug fortran/79602] translation: globally replace '%s' with %qs

[roland.illig at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79602

--- Comment #2 from Roland Illig <roland.illig at gmx dot de> ---
(In reply to joseph@codesourcery.com from comment #1)
> We only ever download translations from the TP site and use them 
> unmodified; we don't make any local changes to the translations in GCC.

Fine, but the first item (changing the quotes from '%s' to %qs) should still be
fixed.