Remove const modifier from mh_node macros

client/tarantool_checksum/tc_space.c

@@ -59,7 +59,7 @@ void tc_space_free(struct tc_spaces *s)
 		mh_int_t pos = 0;
 		while (pos != mh_end(space->hash_log)) {
 			if (mh_exist((space->hash_log), pos)) {
-				struct tc_key *k = (struct tc_key *)
+				struct tc_key *k =
 					*mh_pk_node(space->hash_log, pos);
 				free(k);
 			}
@@ -68,7 +68,7 @@ void tc_space_free(struct tc_spaces *s)
 		pos = 0;
 		while (pos != mh_end(space->hash_snap)) {
 			if (mh_exist((space->hash_snap), pos)) {
-				struct tc_key *k = (struct tc_key *)
+				struct tc_key *k =
 					*mh_pk_node(space->hash_snap, pos);
 				free(k);
 			}

include/mhash.h

@@ -162,10 +162,10 @@ void _mh(dump)(struct _mh(t) *h);
 #define put_slot(h, node, hash_arg, eq_arg) \
 	_mh(put_slot)(h, node, hash_arg, eq_arg)
 
-static inline const mh_node_t *
+static inline mh_node_t *
 _mh(node)(struct _mh(t) *h, mh_int_t x)
 {
-	return (const mh_node_t *) &(h->p[x]);
+	return (mh_node_t *) &(h->p[x]);
 }