Problem: whitespace at end of lines, removed

src/router.cpp

@@ -104,6 +104,7 @@ int zmq::router_t::xsetsockopt (int option_, const void *optval_,
                 return 0;
             }
             break;
+
         case ZMQ_ROUTER_RAW:
             if (is_int && value >= 0) {
                 raw_socket = (value != 0);