Replace LP_CLONE_MXIO_ROOT with LP_CLONE_MXIO_NAMESPACE

LP_CLONE_MXIO_NAMESPACE is the new name for this flag.

Change-Id: Ibf4a21513f4918ddafe7decc0c889fc3eea6a060

run-command.c

diff --git a/run-command.c b/run-command.c
index 6831b20..94c86fe 100644
--- a/run-command.c
+++ b/run-command.c
@@ -550,8 +550,7 @@ int start_command(struct child_process *cmd)
 	cmd->env = cmd->env_array.argv;
 	launchpad_set_environ(lp, cmd->env);
 
-	launchpad_clone(lp, LP_CLONE_MXIO_ROOT);
-	launchpad_clone(lp, LP_CLONE_DEFAULT_JOB);
+	launchpad_clone(lp, LP_CLONE_MXIO_NAMESPACE | LP_CLONE_DEFAULT_JOB);
 
 	if (cmd->no_stdin)
 		; //fhin = open("/dev/null", O_RDWR);