[Bug libfortran/66936] io/unix.c gratuitously uses S_IRWXG and S_IRWXO on the basis that umask() is available

[fxcoudert at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66936

--- Comment #21 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> ---
Now backported to all active branches.