git-remote-mediawiki: add newline in the end of die() error messages
git-remote-mediawiki: add newline in the end of die() error messages

Signed-off-by: Célestin Matte <2874708caf60acb2242c24ca50466a6f1c36b06b@ensimag.fr>
Signed-off-by: Matthieu Moy <fbbe566372a364dbd17bce4222f8e1855291903f@grenoble-inp.fr>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git