Merge branch 'master' of https://github.com/mcostalba/Stockfish
Variation
Fixed uninitialized value
Micro-optimize perft

Avoid to call perft function when we just need to count
moves, at leaf nodes.

Speed up of almost 2%

No functional change.
Merge branch 'master' of https://github.com/mcostalba/Stockfish
Variant with movecount
Merge branch 'master' of github.com:tomtor/Stockfish into AllFail
Merge branch 'AllFail' of github.com:tomtor/Stockfish into AllFail