instead of decrease (oops).
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5788 c06c8d41-db1a-0410-9941-cceddc491573
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K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
sockage = sockage * monster->hit_dice / 45;
sockage = sockage * (30 - monster->hit_dice) / 45;
pow = pow * target->hit_dice / 30;
pow = pow * (30 - target->hit_dice) / 30;