package/crosstool-ng: fix show-tuple stdout

Upstream changeset d8bd17248789.

Reported-by: Floris Bos <bos@je-eigen-domein.nl>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>