either sorted out or more/new details come up

This test was added after the HTTPS-using-multi-interface with OpenSSL
regression of 7.19.1 to hopefully prevent this embarassing mistake from
appearing again... Unfortunately the bug wasn't triggered by this test, which
presumably is because the connect to a local server is too fast/different
compared to the real/distant servers we saw the bug happen with.

wanted anyway

Daniel Fandrich noticed that curl_addrinfo was also missing in the build
process of other four non-configure platforms. Added now.

system with a TEQL load-balancing device configured, which doesn't
have an address.  Thanks to Adam Sampson for spotting this (bug #2234923).

problem with MSVC 6 makefile that caused a build failure. It was noted that
the curl_addrinfo.obj reference was missing. I took the opportunity to sort
the list in which this was missing.

which now also takes a protocol address family argument.

control connection.

  problem with my CURLINFO_PRIMARY_IP fix from October 7th that caused a NULL
  pointer read. I also took the opportunity to clean up this logic (storing of
  the connection's IP address) somewhat as we had it stored in two different
  places and ways previously and they are now unified.

and not sprintf().

for it.

instruction in the comments to use that instead! Original mail:
http://curl.haxx.se/mail/lib-2008-11/0019.html

while investigating the issue in http://curl.haxx.se/mail/lib-2008-09/0262.html
I'm hesitant to fix them because I have no way of testing the result.

done!

with ipv6-enabled c-ares