Add basic fifo support for IO copy

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

runtime/container.go

@@ -44,6 +44,7 @@ func (i *IO) Close() error {
 		i.Stdin,
 		i.Stdout,
 		i.Stderr,
+		i.Console,
 	} {
 		if c != nil {
 			if err := c.Close(); oerr == nil {
@@ -51,9 +52,6 @@ func (i *IO) Close() error {
 			}
 		}
 	}
-	if i.Console != nil {
-		oerr = i.Console.Close()
-	}
 	return oerr
 }