MFH: r467404
Fix CVE-2016-5684
- Bump PORTREVISION for package change
Obtained from: https://sourceforge.net/p/freeimage/svn/1735/
https://sourceforge.net/p/freeimage/svn/1740/
Security: 5b1631dc-eafd-11e6-9ac1-a4badb2f4699
Approved by: ports-secteam (riggs)