- Fix installation wrt. staging

Approved by:	portmgr blanket


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@371608 35697150-7ecd-e111-bb59-0022644237b5
security/polarssl: Update to 1.2.12

While I am here:
- Remove fetch wrapper as it is no longer required
- Strip library shared object
- Remove @dirrm* from pkg-plist

Changes:	https://raw.github.com/polarssl/polarssl/polarssl-1.2.12/ChangeLog


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@371609 35697150-7ecd-e111-bb59-0022644237b5