Keep connections alive when using Go 1.4.3

Go 1.4.3 was a security release that also created a strange edge-case
that caused connections to not be kept alive and reused when Close()
is called on the Body of the request. Close() hasn't been required on
the Body of a request for some time, so there is no harm is not calling
it anymore.

services/httpd/handler.go

@@ -385,9 +385,9 @@ func (h *Handler) serveWrite(w http.ResponseWriter, r *http.Request, user *meta.
 			resultError(w, influxql.Result{Err: err}, http.StatusBadRequest)
 			return
 		}
+		defer b.Close()
 		body = b
 	}
-	defer body.Close()
 
 	b, err := ioutil.ReadAll(body)
 	if err != nil {