Allow building without /usr/bin/perl symlink

PR:		ports/195494


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373615 35697150-7ecd-e111-bb59-0022644237b5
Allow building without /usr/bin/perl symlink

PR:		ports/195494


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@373616 35697150-7ecd-e111-bb59-0022644237b5