Force monster movement to keep the monster in LOS immediately after the monster

gives a "comes into view" message, not immediately after it shouts.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8705 c06c8d41-db1a-0410-9941-cceddc491573

Created by  zelgadis  on January 22, 2009
3AHBZKKPY2442S3VT5GLGGYWEK4LHJ52XKVD4TQXE7ULO3EB2G5QC
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