package/perl-plack: bump to version 1.0050

LICENSE: remove trailing spaces
see https://metacpan.org/release/MIYAGAWA/Plack-1.0050/diff/MIYAGAWA/Plack-1.0048#LICENSE

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2 files changed