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.

1 files changed, 1 insertions, 1 deletions

diff --git a/py/mpz.c b/py/mpz.c
index 9c42878ff..ab300b91d 100644
--- a/py/mpz.c
+++ b/py/mpz.c
@@ -1262,7 +1262,7 @@ bool mpz_as_int_checked(const mpz_t *i, machine_int_t *value) {
     return true;
 }
 
-#if MICROPY_ENABLE_FLOAT
+#if MICROPY_PY_BUILTINS_FLOAT
 mp_float_t mpz_as_float(const mpz_t *i) {
     mp_float_t val = 0;
     mpz_dig_t *d = i->dig + i->len;