Small fix for special floor and entombment.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@2085 c06c8d41-db1a-0410-9941-cceddc491573
MYJGABFJML6TOHCAKUF22OTVE42OM2FJNTEDRCCVHDSFU7QUSWYQC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
FixedVector < unsigned char, 7 > safe_to_overwrite;
FixedVector < unsigned char, 8 > safe_to_overwrite;
safe_to_overwrite[7] = DNGN_FLOOR_SPECIAL;
xom_is_stimulated(64);