Suppress warnings when StreamSegmentForEach is called for UDP or SCTP, unless debug is compiled in.

src/stream.c

@@ -232,12 +232,14 @@ int StreamSegmentForEach(Packet *p, uint8_t flag, StreamSegmentCallback Callback
         case IPPROTO_TCP:
             return StreamTcpSegmentForEach(p, flag, CallbackFunc, data);
             break;
+#ifdef DEBUG
         case IPPROTO_UDP:
             SCLogWarning(SC_ERR_UNKNOWN_PROTOCOL, "UDP is currently unsupported");
             break;
         default:
             SCLogWarning(SC_ERR_UNKNOWN_PROTOCOL, "This protocol is currently unsupported");
             break;
+#endif
     }
     return 0;
 }