Rename bultins config variables to MICROPY_PY_BUILTINS_*.
This renames:
MICROPY_PY_FROZENSET -> MICROPY_PY_BUILTINS_FROZENSET
MICROPY_PY_PROPERTY -> MICROPY_PY_BUILTINS_PROPERTY
MICROPY_PY_SLICE -> MICROPY_PY_BUILTINS_SLICE
MICROPY_ENABLE_FLOAT -> MICROPY_PY_BUILTINS_FLOAT
See issue #35 for discussion.
diff --git a/py/showbc.c b/py/showbc.c
index 33c59dc..fc02f4c 100644
--- a/py/showbc.c
+++ b/py/showbc.c
@@ -419,7 +419,7 @@
printf("SET_ADD " UINT_FMT, unum);
break;
-#if MICROPY_PY_SLICE
+#if MICROPY_PY_BUILTINS_SLICE
case MP_BC_BUILD_SLICE:
DECODE_UINT;
printf("BUILD_SLICE " UINT_FMT, unum);