* ecoff.c (ecoff_emit_aggregate): Take fdr argument. Map fdr

	* ecoff.c (ecoff_emit_aggregate): Take fdr argument.  Map fdr
	index through rfd map if it exists.  Check for a couple of cases
	which gdb handles specially.  Change all callers.
	(ecoff_type_to_string): Take fdr argument rather than aux_ptr and
	bigendian argument.  Change all callers.
	(ecoff_print_symbol): Handle stStruct, stUnion and stEnum.