docs/149845: unify spelling of blocksize, block-size and block size in manuals

[arundel at FreeBSD.org]

Synopsis: unify spelling of blocksize, block-size and block size in manuals

State-Changed-From-To: open->closed
State-Changed-By: arundel
State-Changed-When: Mon Jul 11 23:49:31 UTC 2011
State-Changed-Why: 
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http://www.freebsd.org/cgi/query-pr.cgi?pr=149845