[conformal/btcd] deb19c: Bring MarshalECPrivateKey local so < go1.2 works.

[David Hill]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcd
  Commit: deb19c2fa306a75cdc666d08abdfa86e9e963678
      
https://github.com/conformal/btcd/commit/deb19c2fa306a75cdc666d08abdfa86e9e963678
  Author: David Hill <dh...@conformal.com>
  Date:   2013-11-19 (Tue, 19 Nov 2013)

  Changed paths:
    A ofc.go
    M rpcserver.go

  Log Message:
  -----------
  Bring MarshalECPrivateKey local so < go1.2 works.

Closes #45.