relayd HTTP PATCH not handled.

[mxb]

Hey,
HTTP_METHOD_PATCH is not handled by relayd at all.
Well, actually in fals under default in switch().
PATCH is like PUT, eg. data is expected.

One-liner below fixes this. Tested in production.

--- relay_http.c        Mon Dec 14 16:16:07 2015
+++ relay_http.c.my     Mon Dec 14 21:18:50 2015
@@ -371,6 +371,7 @@
                        break;
                case HTTP_METHOD_POST:
                case HTTP_METHOD_PUT:
+               case HTTP_METHOD_PATCH:
                case HTTP_METHOD_RESPONSE:
                        /* HTTP request payload */
                        if (cre->toread > 0)