Don't add versions that already exist.

/trunk/scripts/addToolVersion.sh | 15 14 1 0 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)

 reporter_name="Nye Liu"

 reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00046.html"

 reporter_comment=""