[Fix] Use try-finally
[Fix] Use try-finally

jogibear9988/websocket-sharp,2Toad/websocket-sharp,sta/websocket-sharp,jogibear9988/websocket-sharp,2Toad/websocket-sharp,jogibear9988/websocket-sharp,jogibear9988/websocket-sharp,sta/websocket-sharp,2Toad/websocket-sharp,sta/websocket-sharp,sta/websocket-sharp,2Toad/websocket-sharp