[conformal/btcd] c99a22: Fix a couple of comment typos.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: c99a227df2ee1612d3b505702427a378b623b3b4
      
https://github.com/conformal/btcd/commit/c99a227df2ee1612d3b505702427a378b623b3b4
  Author: Dave Collins <da...@conformal.com>
  Date:   2014-01-10 (Fri, 10 Jan 2014)

  Changed paths:
    M blockmanager.go
    M btcd.go

  Log Message:
  -----------
  Fix a couple of comment typos.