[PATCH v9 0/2] MR6884: Draft: Iphlpapi.dll: Included SendARP

[Thi Garlet (＠garlett)]

Returns MAC address by:
- search local interfaces, or
- send UDP packed that does not need linux privilege, then search local cache

solve https://bugs.winehq.org/show_bug.cgi?id=9418

files updated
- /dlls/iphlpapi/iphlpapi_main.c
- /dlls/iphlpapi/tests/iphlpapi.c

--
  v9: iphlpapi.c: Add SendARP
      Add SendARP by:

https://gitlab.winehq.org/wine/wine/-/merge_requests/6884