ports/52688: Update net/gnunet: 0.5.1a -> 0.5.4

[Max Khon]

Synopsis: Update net/gnunet: 0.5.1a -> 0.5.4

State-Changed-From-To: open->closed
State-Changed-By: fjoe
State-Changed-When: Mon Jun 2 08:37:48 PDT 2003
State-Changed-Why: 
Committed, thanks!

http://www.freebsd.org/cgi/query-pr.cgi?pr=52688