* targets.c (proto write_armap). Changed orl_count to unsigned.

	* targets.c (proto write_armap). Changed orl_count to unsigned.
	* opncls.c (bfd_close_all_done). Added so that generative
	programs like gas can close a bfd without causing bfd confusion.
	* libbfd.h (changed becuase of protos)
	* amdcoff.c: messed with the way that jmp displacements are
	calcualated. This may not yet be totally correct.
	* archive.c (coff_write_armap): rewrote the way that ranlibs are
	written out.
	* coffcode.h (fixup_symbol_value): now doesn't core dump if a non
	abs symbol has no section (like a register symbol).
	(coff_write_symbol) now zeros auxent before filling it up to help
	with sensitive applications.
	* libbfd.c (bfd_write_bigendian_4byte_int): added.