Fix missing closed fifo

Signed-off-by: Shiming Zhang <wzshiming@foxmail.com>

runtime/v1/shim/service_linux.go

@@ -61,6 +61,7 @@ func (p *linuxPlatform) CopyConsole(ctx context.Context, console console.Console
 			// we need to shutdown epollConsole when pipe broken
 			epollConsole.Shutdown(p.epoller.CloseConsole)
 			epollConsole.Close()
+			in.Close()
 		}()
 	}