Bump github.com/mdlayher/wifi to fix #486 (#487)

vendor/github.com/mdlayher/wifi/client_linux.go

@@ -59,6 +59,9 @@ func newClient() (*client, error) {
 func initClient(c genl) (*client, error) {
 	family, err := c.GetFamily(nl80211.GenlName)
 	if err != nil {
+		// Ensure the genl socket is closed on error to avoid leaking file
+		// descriptors.
+		_ = c.Close()
 		return nil, err
 	}
 

vendor/vendor.json

@@ -69,10 +69,10 @@
 			"revisionTime": "2017-01-04T04:59:06Z"
 		},
 		{
-			"checksumSHA1": "J6L0K9aHO8riicB4BY8/WHb6wBI=",
+			"checksumSHA1": "XG73RxoI99JeNkxyMStXnlCpXXM=",
 			"path": "github.com/mdlayher/wifi",
-			"revision": "85a20a7adc659e5007fb9dd0961ba4e8b7ea2f80",
-			"revisionTime": "2017-01-17T05:43:47Z"
+			"revision": "1ccab08abb10805297916157a270d05f562e2647",
+			"revisionTime": "2017-03-01T22:08:15Z"
 		},
 		{
 			"checksumSHA1": "VzutdH69PUqRqhrDVv6F91ebQd4=",