[Bug bootstrap/120068] The new contrib/relpath.sh script should be made executable otherwise the build fails

[guido2022 at trentalancia dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120068

--- Comment #6 from guido2022 at trentalancia dot com ---
The issue is only triggered by using the differential patch and not the tarball
or git.