minor change in function add_function/6, to use refac_util:reset_attrs to remove annotations.
minor change in function add_function/6, to use refac_util:reset_attrs to remove annotations.


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