[PATCH][RFC] Extend locations where to seach for Fortran pre-include.

[Thomas König]

Hi Martin,

> Thank you both useful comments! I installed that as r269035.

Excellent work, thanks!

Now a final step: Could you also add a short sentence to gcc-9/changes.html ? In German, we have a saying „Tue Gutes und rede darüber“, do good deeds and talk about it 😉

Regards, Thomas