* hashtab.h (hashval_t): New type.
	(htab_find_with_hash): Use it as an argument.
	(htab_find_slot_with_hash): Likewise.

	* hashtab.c (find_empty_slot_for_expand): Use hashval_t for hash
	codes.
	(htab_find_with_hash): Likewise.
	(htab_find_slot_with_hash): Likewise.

From-SVN: r32842