sub probe_resp - VIP RFC

[Nils Goroll]

Dridi,

thank you for the quick feedback. I'm fine with your suggestions, except:

>> * The default vcl_probe_resp:
>>
>>         sub vcl_probe_resp {
>>                 if (prresp.proto ~ "^HTTP/\d+\.\d+$" &&
> 
> ^HTTP/1\.[01]$

This was intended to be equivalent to the current code:

        i = sscanf(vt->resp_buf, "HTTP/%*f %u ", &resp);