Add MRMW snapshot

tests/test-msnapshot.c

@@ -50,6 +50,7 @@ SNAPSHOT_SRSW_DEF(snapshot_uint, unsigned int)
 SNAPSHOT_SRSW_DEF(snapshot_mpz, mpz_t,
                   (INIT(mpz_init), INIT_SET(mpz_init_set), SET(mpz_set), CLEAR(mpz_clear)))
 SNAPSHOT_MRSW_DEF(snapshot_mrsw_data, data_t, DATA_OPLIST)
+SNAPSHOT_MRMW_DEF(snapshot_mrmw_data, data_t, DATA_OPLIST)
 END_COVERAGE
 SNAPSHOT_DEF(snapshot_data, data_t, DATA_OPLIST )