When converting orcs as a Beoghite, check for piety_breakpoint(2)

instead of hardcoding 75 as the piety value.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3433 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on February 12, 2008
GND5VCGRS2LOJKOJ2QZRENNE3CA3R7OXGGNS7KYPRZHCSX4LZKVQC
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