CLN: Suppres compile warnings of pandas/io/sas/sas.pyx
- [x] ref #32163
- [ ] tests added / passed
- [x] passes `black pandas`
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

---

This is the warning that get removed:

```
pandas/io/sas/sas.c: In function ‘__pyx_f_6pandas_2io_3sas_4_sas_rdc_decompress’:
pandas/io/sas/sas.c:3732:65: warning: ‘__pyx_v_ctrl_bits’ may be used uninitialized in this function [-Wmaybe-uninitialized]
 3732 |     __pyx_t_8 = (((__pyx_v_ctrl_bits & __pyx_v_ctrl_mask) == 0) != 0);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
```