is always considered done immediately as Basic needs to extra passes.

This fix corrects bug report #848371.

as well as a CRLF

functionality

#845247

connection to avoid re-use of it, since we cannot know in what state it is.

existing error is the one returned back

also removed very old "require libcurl older than blablabla"

argv test. This way, the default can be overridden better (for cross-compiles
etc)

properly bail out from, when using ares.

I guess it seldomly happens on linux and that's why it wasn't found before.
He used Solaris to notice it.

I took the opportunity to rewrite the Curl_connecthost() slightly to feature
less duplicate code in the two different versions (ipv4/ipv6).