docs/184755: The vmstat(8) manualpage synopsis doesn't show all optional parameters

[linimon at FreeBSD.org]

Old Synopsis: The vmstat manualpage synopsis doesn't show all optional parameters
New Synopsis: The vmstat(8) manualpage synopsis doesn't show all optional parameters

Responsible-Changed-From-To: freebsd-bugs->freebsd-doc
Responsible-Changed-By: linimon
Responsible-Changed-When: Wed Jan 1 00:55:37 UTC 2014
Responsible-Changed-Why: 
reclassify.

http://www.freebsd.org/cgi/query-pr.cgi?pr=184755