bitcoin/bitcoin — pull request #2947 by gmaxwell (2013-08-28 17:22:13+00:00)
Title: [wallet] Consider generated coins mature at COINBASE_MATURITY+1

We're not seeing large reorgs that would justify waiting a large
amount past the rule required maturity, and the extra three
hours is just a nuisance. Take one more block to at least give
the 100th block time to propagate.