Add Evaporate to the list of spells that get a bonus of 1 when checking

range against distance to monsters, so z doesn't bail out if a monster is just outside the range but would be hit by the cloud.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9792 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on May 18, 2009
UB6G75K33RHSREMOLWUMMN7F4GG5CC7ZUBL624CG7HTEUW65VCSQC
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