Avoid reading beyond the data on the http status line.
Avoid reading beyond the data on the http status line.

* buckets/response_buckets.c
  (parse_status_line): Return a proper parser error for several cases that
    used to be parsed as valid, and then caused invalid states.

muthusuba/serf,sworda/serf,TommyU/serf,liuzongquan/serf,Manouchehri/serf,TommyU/serf,krime/serf,muthusuba/serf,justinweb/serf,liuzongquan/serf,sworda/serf,krime/serf,justinweb/serf,justinweb/serf,krime/serf,blueszhangsh/serf,sworda/serf,Manouchehri/serf,idomon/serf,justinweb/serf,liuzongquan/serf,muthusuba/serf,krime/serf,wzugang/serf,blueszhangsh/serf,wzugang/serf,sworda/serf,Manouchehri/serf,TommyU/serf,liuzongquan/serf,Manouchehri/serf,TommyU/serf,wzugang/serf,idomon/serf,muthusuba/serf,blueszhangsh/serf,idomon/serf,blueszhangsh/serf,wzugang/serf,idomon/serf