[btcsuite/btcd] 0f9fc4: Output error to stderr if the limits can't be set.

[Dave Collins]

  Branch: refs/heads/master
  Home:   https://github.com/btcsuite/btcd
  Commit: 0f9fc42a0618490037cc5f076c2224cb5c801011
      
https://github.com/btcsuite/btcd/commit/0f9fc42a0618490037cc5f076c2224cb5c801011
  Author: Dave Collins <da...@conformal.com>
  Date:   2015-09-02 (Wed, 02 Sep 2015)

  Changed paths:
    M btcd.go

  Log Message:
  -----------
  Output error to stderr if the limits can't be set.