[Bug other/102664] contrib/gcc-git-customization.sh uses echo -n, which isn't portable

[egallager at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102664

Eric Gallager <egallager at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |easyhack
           Severity|normal                      |trivial
                 CC|                            |rearnsha at arm dot com

--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> ---
git blame says it's been there since Richard Earnshaw first committed the file
in g:743d4d8; cc-ing him