CURL_FUNC_GETNAMEINFO_ARGTYPES now also checks first argument.
All related changes taken to cares configuration scripts.

Fix compiler warning and compatibility issue with the type of the parameter used in getnameinfo() to receive the length of the sockaddr struct.

fixing a compiler warning in the append_scopeid() function.

ifdefs where . was used instead of _!

in mingw builds

macros accordingly.

Avoid warning 'x might be used uninitialized in this function'.

Use DNS__32BIT() and DNS__16BIT()  (How about BE machines?).
Display T_AAAA resource.

since IPv6 support is required.

Added -D'efines'.