* coffgen.c (coff_write_symbol): Reindented. Changed to return

	* coffgen.c (coff_write_symbol): Reindented.  Changed to return
	boolean, and changed written to unsigned int *.  Check error
	returns from called functions.
	(coff_write_alien_symbol): Likewise.
	(coff_write_native_symbol): Likewise.
	(coff_write_symbols): Likewise.  Reworked checks on whether to
	write symbol name to string table for clarity and to avoid core
	dumping when given a non COFF symbol.
	* libcoff-in.h (coff_write_symbols): Declare as returning boolean.
	* libcoff.h: Rebuilt.
	* coffcode.h (coff_write_object_contents): Check return value of
	coff_write_symbols.