* aoutx.h (hash, compare, struct stringtab_entry, add_to_stringtab):

	* aoutx.h (hash, compare, struct stringtab_entry, add_to_stringtab):
	Use unsigned hash values for better hashing.
	(hash): Hash in the string length for long strings.
	* aoutx.h (compare): Replace 3 if's with a subtraction.
	(translate_to_native_sym_flags, add_to_stringtab): Reorder tests
	in decreasing order of success, as an optimization.
	(hash): Take a length arg; ignore chars after #25, for speed.
	(add_to_stringtab): Pass length to hash.