bindings/perl: Update license information in the XS file.
bindings/perl: Update license information in the XS file.

Signed-off-by: Florian Forster <6e1cc60e25630284701a7bea25813c453e76ad9b@leeloo.lan.home.verplant.org>

iseki-masaya/liboping,octo/liboping,iseki-masaya/liboping,octo/liboping,barak/liboping,iseki-masaya/liboping,barak/liboping,octo/liboping,octo/liboping,barak/liboping,iseki-masaya/liboping