extmod/machine_pinbase: Fix nanbox build.

pfalcon · pfalcon · commit efee5773185d · 2016-06-19T00:26:57.000+03:00
MP_ROM_PTR() is only for data structures initialization, code should use
MP_OBJ_FROM_PTR().
diff --git a/extmod/machine_pinbase.c b/extmod/machine_pinbase.c
@@ -51,7 +51,7 @@ STATIC mp_obj_t pinbase_make_new(const mp_obj_type_t *type, size_t n_args, size_
     (void)n_args;
     (void)n_kw;
     (void)args;
-    return MP_ROM_PTR(&pinbase_singleton);
+    return MP_OBJ_FROM_PTR(&pinbase_singleton);
 }
 
 mp_uint_t pinbase_ioctl(mp_obj_t obj, mp_uint_t request, uintptr_t arg, int *errcode);

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,7 @@ STATIC mp_obj_t pinbase_make_new(const mp_obj_type_t *type, size_t n_args, size_`
`51`	`51`	`(void)n_args;`
`52`	`52`	`(void)n_kw;`
`53`	`53`	`(void)args;`
`54`		`- return MP_ROM_PTR(&pinbase_singleton);`
	`54`	`+ return MP_OBJ_FROM_PTR(&pinbase_singleton);`
`55`	`55`	`}`
`56`	`56`
`57`	`57`	`mp_uint_t pinbase_ioctl(mp_obj_t obj, mp_uint_t request, uintptr_t arg, int *errcode);`