Fix build with gmake 4.1


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370420 35697150-7ecd-e111-bb59-0022644237b5
Update to 5.6.1 release.


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370421 35697150-7ecd-e111-bb59-0022644237b5