py: Rename old const type objects to mp_type_* for consistency.
diff --git a/py/objint.c b/py/objint.c
index 70f44ac..70f20e3 100644
--- a/py/objint.c
+++ b/py/objint.c
@@ -109,7 +109,7 @@
 
 #endif // MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_NONE
 
-const mp_obj_type_t int_type = {
+const mp_obj_type_t mp_type_int = {
     { &mp_type_type },
     .name = MP_QSTR_int,
     .print = int_print,