type of undead to resist rotting" logic can be in just one place instead of duplicated every time the check is made.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6354 c06c8d41-db1a-0410-9941-cceddc491573
6LTQT4CP7LJZLAE7JTPQ4OT4JOG3IFYM7RNXL3FINKBFO6452DTAC
FFHV7U5Z42CKIQQDFZB2LBFDTBEQKS5TL3376CJKGAIY4RNMJVNAC
ZRCW7G5R2ZT5F5ONCHKHHVOSHRL45BVXILSFIOSYJR2LMPXNVRUQC
AREBCIU2RU2RNHBWD4GARWEBKSL7HDFGDLII22H56OJO2AQUOMLQC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
KBBSDMAXAGEDFMIVL6BSPMMSOBZKWPJTFCLBGCHRLE5DGTVAACSAC
QHAYBZTRPVJMK55WXT3F63CNRSAEVN3CQAAG42GCJTONLXQLNNNQC
QDTVLBRGHDTRUVT7I3O72K6TMOYAUSAJBZUHGOEFU2RKJNUPWZSQC
AVCMVFA3MKCXHO6H44UK5KJNIHTGQV7UA7GYXM26VI6TXXU5ZN6QC
ZNGUPLWWNNODRYM3P74Q7ZCZI4ZX4D7A5SPOUQ2O76CX3R337VWQC
YDDLIMYVR5YEORQ6YXEG3M4O26M3XIZ6OCXQTHEVLKTAAJP3FI5AC
RM2JXW3ATVYRYHF3NMG5ALGI64OJ7IP2F3MDUDPUT5TBKSSN4KVQC
R22TTMI6WXWULC7ODKFF3QCB7MOTETQQ6IR4BUCUPOCQKQNCTT5AC