Release 4.2.1

Author: halx99

yasio.pc

@@ -5,6 +5,6 @@ includedir=${exec_prefix}/include
 
 Name: yasio
 Description:  A multi-platform support c++11 library with focus on asio (asynchronous socket I/O) for any client application. 
-Version: 4.2.0
+Version: 4.2.1
 Libs: -L${libdir} 
 Cflags: -I${includedir}/yasio

yasio/io_service.cpp

@@ -1237,7 +1237,7 @@ void io_service::do_connect(io_channel* ctx)
         require call bind before connect for UDP sockets.
         refer issue: https://github.com/yasio/yasio/issues/441
         */
-        YASIO_KLOGW("bind %s:%u fail", ifaddr, ctx->local_port_);
+        YASIO_KLOGW("[warning] bind %s:%u fail", ifaddr, ctx->local_port_);
         ret = 0;
       }
     }