Bug 2414178: applied Brendan MacDonell's patch (2414671) to make the book order

in spl-book.cc match enum.h

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7810 c06c8d41-db1a-0410-9941-cceddc491573

Created by  zelgadis  on December 11, 2008
NN6O3D72SXCVAKLQ4R6TPFUWCMWB2CQX4YAAI3DKYIUG6KK3MEEQC
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