[cvs-nhc98] Temporarily change generation of DErrNo.hs to always write

malcolm: Thu Mar 29 23:06:24 CEST 2001 Update of /usr/src/master/nhc/script In directory hinken:/tmp/cvs-serv18895 Modified Files: GenerateErrNo.hs errnogen.c Log Message: Temporarily change generation of DErrNo.hs to always write an explicit instance for class Enum. This is because the generic derived version of toEnum does not work for tracing.