fix build failures

fix build failures

seeing some build failure while building for macos sequoia, the error is below:

```
  net_socket.c:105:14: error: no member named 'ifr_ifrn' in 'struct ifreq'
    105 |         strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
        |                 ~~~ ^
  /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/secure/_string.h:128:28: note: expanded from macro 'strncpy'
    128 |                 __builtin___strncpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
        |                                          ^~~~
  net_socket.c:105:14: error: no member named 'ifr_ifrn' in 'struct ifreq'
    105 |         strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
        |                 ~~~ ^
  /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/secure/_string.h:128:62: note: expanded from macro 'strncpy'
    128 |                 __builtin___strncpy_chk (dest, __VA_ARGS__, __darwin_obsz (dest))
        |                                                                            ^~~~
  /Library/Developer/CommandLineTools/SDKs/MacOSX15.sdk/usr/include/secure/_common.h:41:54: note: expanded from macro '__darwin_obsz'
     41 | #define __darwin_obsz(object) __builtin_object_size (object, _USE_FORTIFY_LEVEL > 1 ? 1 : 0)
        |                                                      ^~~~~~
```

full build log, https://github.com/Homebrew/homebrew-core/actions/runs/10837004674/job/30072048690

Signed-off-by: Rui Chen <rui@chenrui.dev>