/ curl Public
http: Don't wait on CONNECT when there is no proxy #1803
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Since curl 7.55.0, NetworkManager almost always failed its connectivity
check by timeout. I bisected this to 5113ad0 (http-proxy: do the HTTP
CONNECT process entirely non-blocking).
This patch replaces !Curl_connect_complete with Curl_connect_ongoing,
which returns false if the CONNECT state was left uninitialized and lets
the connection continue.