Add GENTYPE operator to all oplists

m-rbtree.h

@@ -81,7 +81,7 @@
    MOVE(M_F(name, _move)),                                                    \
    SWAP(M_F(name, _swap)),                                                    \
    NAME(name),                                                                \
-   TYPE(M_F(name,_ct)),                                                       \
+   TYPE(M_F(name,_ct)), GENTYPE(struct M_F(name,_s)*),                        \
    SUBTYPE(M_F(name, _subtype_ct)),                                           \
    EMPTY_P(M_F(name,_empty_p)),                                               \
    GET_SIZE(M_F(name, _size)),                                                \