Make a note when falling through a shaft. It might be better if the note

was taken later (so you see the new dungeon level in the notes). (rob)

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6130 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dploog  on June 24, 2008
EDGEAHW76VN62XZMDZMZKBHUAOF4XRGL2O2HIHPG2QNDETR43OYQC
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