net: some test maybe has bug

[chai2010]

In net/timeout_test.go, some Close() called twice [1].
In net/unix_test.go, some defer closure in the loop use the same variable `laddr` [2].

---

[1]
http://golang.org/src/pkg/net/timeout_test.go?s=2897:2907#L74

[2]
http://golang.org/src/pkg/net/unix_test.go?s=3935:4020#L142

[chai2010]

Comment 1:

the patch has been sent as https://golang.org/cl/10587043/

[davecheney]

Comment 2:

This issue was closed by revision 6ab49fb.

Status changed to Fixed.