make Fetch and Update conversions to C work for indexed arrays
make Fetch and Update conversions to C work for indexed arrays

darcs-hash:20070522041258-1a7c6-18cb93b0c598836cbc43f7f7c0d905d127abadd3

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc