bug fix with the return value of fold_expr_by_name_eclipse to be consistent with the  type specification.
bug fix with the return value of fold_expr_by_name_eclipse to be consistent with the 
type specification.


tdb/wrangler,prowessproject/wrangler,arcusfelis/wrangler,andrzejsliwa/wrangler,arcusfelis/wrangler,bsmr-erlang/wrangler