* conflict.c (arc_hash): Change return type to hashval_t.
	* cselib.c (get_value_hash): Likewise.
	* genautomata.c (automaton_decl_hash, insn_decl_hash, decl_hash,
	state_hash, automata_list_hash): Likewise.
	* read-rtl.c (def_hash): Likewise.
	* tree.c (type_hash_hash): Likewise.

From-SVN: r57987