message: minor p2p_sendheaders fix of height in coinbase
diff: @@ -490,7 +490,7 @@ class SendHeadersTest(BitcoinTestFramework):
  # Now announce a header that forks the last two blocks
  tip = blocks[0].sha256
  - height -= 1
  + height -= 2
  blocks = []
  # Create extra blocks for later
  