connect: work around proxy issue
connect: work around proxy issue

Properly parse a session where the initial CONNECT is responded
to with a 407 and continues.

OISF/libhtp,OISF/libhtp,OISF/libhtp,OISF/libhtp,OISF/libhtp,OISF/libhtp,OISF/libhtp