Fix 1902654: Wandering monsters hitting you without noticing you.

         They will now notice if they bump into you.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3520 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on March 4, 2008
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