ports/137332: add caution messages to some adobe products

[arundel at FreeBSD.org]

Synopsis: add caution messages to some adobe products

Responsible-Changed-From-To: freebsd-emulation->freebsd-ports
Responsible-Changed-By: arundel
Responsible-Changed-When: Tue Feb 15 02:10:08 UTC 2011
Responsible-Changed-Why: 
The ports folks are probably better suited for this PR. Please note that as per
02/15/2011, vuln.xml entries exist for the www/linux-flashplugin7 as well as the
linux-flashplugin9 port.

http://www.freebsd.org/cgi/query-pr.cgi?pr=137332