Fix PV walking with -fSAN
authorH.G. Muller <h.g.muller@hccnet.nl>
Sun, 23 Oct 2011 13:53:32 +0000 (15:53 +0200)
committerH.G. Muller <h.g.muller@hccnet.nl>
Sun, 23 Oct 2011 13:53:32 +0000 (15:53 +0200)
commit2e25ba964f3e2faf1a328b3de269367c3bba8c58
tree7ee2dd5afafe9f9078672585bb67e0a648d95708
parent1a2052a0c7bf59ec549cf7f6ed11e5114f7b15c6
Fix PV walking with -fSAN

The SAN options had broken the PV walking, because the shelving of the
walked PV to create space for the conversion to SAN of an incoming PV
would not be properly undone, but would add the walked PV to the game.
backend.c