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

[joseph at codesourcery dot com]

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

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
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.