shells/dash: update 0.5.7 -> 0.5.8

Approved by:	mentors (implicit)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@369515 35697150-7ecd-e111-bb59-0022644237b5
Update to 0.063


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@369516 35697150-7ecd-e111-bb59-0022644237b5