japanese/py-mecab: some fixes

- Fix LICENSE(BSD -> BSD3CLAUSE)
- Strip shared library

PR:		191309
Submitted by:	Yasuhiro KIMURA <yasu@utahime.org>
Approved by:	<jun-g@daemonfreaks.com> (maintainer timeout)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372309 35697150-7ecd-e111-bb59-0022644237b5
- Update to 1.19.21


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372310 35697150-7ecd-e111-bb59-0022644237b5
- Update to 1.22.13


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372311 35697150-7ecd-e111-bb59-0022644237b5
- Update to 1.23.6


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@372312 35697150-7ecd-e111-bb59-0022644237b5