ports/155856: Update port: x11-wm/swm to 1.3.4c

[miwi at FreeBSD.org]

Synopsis: Update port: x11-wm/swm to 1.3.4c

Responsible-Changed-From-To: freebsd-ports-bugs->miwi
Responsible-Changed-By: miwi
Responsible-Changed-When: Tue Mar 22 23:14:51 UTC 2011
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=155856