Properly support png 1.5


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375534 35697150-7ecd-e111-bb59-0022644237b5
Properly support png 1.5


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375535 35697150-7ecd-e111-bb59-0022644237b5
Finish properly support png 1.5


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375536 35697150-7ecd-e111-bb59-0022644237b5
- Finish properly support png 1.5
- Cleanup plist


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375537 35697150-7ecd-e111-bb59-0022644237b5
Properly support png 1.5

Obtained from:	pkgsrc (old history)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375538 35697150-7ecd-e111-bb59-0022644237b5