[conformal/btcd] e495dc: Fix off-by-one making rescanfinished notification.

[Josh Rickmar]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: e495dcbc2f6f449f0fe06c9049fcd0d0b024b2b5
      
https://github.com/conformal/btcd/commit/e495dcbc2f6f449f0fe06c9049fcd0d0b024b2b5
  Author: Josh Rickmar <jr...@conformal.com>
  Date:   2014-07-12 (Sat, 12 Jul 2014)

  Changed paths:
    M rpcwebsocket.go

  Log Message:
  -----------
  Fix off-by-one making rescanfinished notification.

Fixes #150.

ok @davecgh