Sandblast now has a range of 1 when not wielding rocks, and a range of 1-2

(50% each) when wielding rocks. Fixes [2364044].

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8079 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on January 1, 2009
RHIWQH62QN2VJJJ36YX3YOKYKIBUBOZOP4AHDRR4VJI5CNOMKFIQC
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