Py_hash_t is new typedef in Python 3.2, typedeffing Py_ssize_t. Changing to that to keep "slow adaptors" happy ;)

source/blender/python/intern/bpy_rna.c

@@ -1033,7 +1033,7 @@ int pyrna_set_to_enum_bitfield(EnumPropertyItem *items, PyObject *value, int *r_
 
 	/* set looping */
 	Py_ssize_t pos = 0;
-	Py_hash_t hash = 0;
+	Py_ssize_t hash = 0;
 	PyObject *key;
 
 	*r_value= 0;