level map, refixed DC fix.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1262 c06c8d41-db1a-0410-9941-cceddc491573
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XSO7MOLH5QDXYJW2NDFGNTHBEPF2QYEN5BLNOONV6I7NE4U4XFUAC
RPOZZWKG5GLPHVZZ7ZKMKS64ZMV2LDCQSARBJFJ6FZOTOKCQO7FAC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
OT53X5ORPLBVG4SRIM5PTQ5ERZLZELB7ZKR6ZKDKVOD7IJR6VDOQC
#define MAP_GRID_KNOWN 0xFF00
if (!(map_flags & 0xFF))
if (!(map_flags & MAP_GRID_KNOWN))