[MINOR] ensure we can jump from swiching rules to http without data

[MINOR] ensure we can jump from swiching rules to http without data

In case of switching from TCP to HTTP, we want the HTTP request timeout
to be properly initialized. For this, we have to jump to the analyser
without breaking out of the loop nor waiting for incoming data. The way
it is done right now is not particularly clean but it works.

A cleaner method might involve pushing function pointers into a circular
list.