Remove redundant MASTER_SITE_SUBDIR redefinition.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373452 35697150-7ecd-e111-bb59-0022644237b5
Update to version 1.5.9


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373453 35697150-7ecd-e111-bb59-0022644237b5