git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5688 c06c8d41-db1a-0410-9941-cceddc491573
XLFUVG5L5ESJZAGXKU4QQE6FUJPOQG75TWOVCBWFMD6EDIEIE3OAC
Y2NYY7HWFZ2LQDK3ACSLGS37F2J2IJ5LRGCIMZYXLEOSVPD3A4DAC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
DDU4A3JGN5IUIPP5IASOODKPR2WBHSDSV4FITZ6HNXNSXXQACWAQC
case SPELL_SUMMON_UNDEAD: // summon undead around player
case SPELL_SUMMON_UNDEAD: // Summon undead around player.