go.mod: update wireguard-go for https://github.com/tailscale/wireguard-go/pull/13

go.mod

@@ -20,7 +20,7 @@ require (
 	github.com/peterbourgon/ff/v2 v2.0.0
 	github.com/tailscale/hujson v0.0.0-20190930033718-5098e564d9b3 // indirect
 	github.com/tailscale/winipcfg-go v0.0.0-20200213045944-185b07f8233f
-	github.com/tailscale/wireguard-go v0.0.0-20200318220557-3a43a6493fd7
+	github.com/tailscale/wireguard-go v0.0.0-20200320054525-e913b7c8517d
 	golang.org/x/crypto v0.0.0-20200317142112-1b76d66859c6
 	golang.org/x/net v0.0.0-20200301022130-244492dfa37a // indirect
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d

go.sum

@@ -129,6 +129,8 @@ github.com/tailscale/wireguard-go v0.0.0-20200318202300-fc0d3b3791f3 h1:zmTJDnwx
 github.com/tailscale/wireguard-go v0.0.0-20200318202300-fc0d3b3791f3/go.mod h1:JPm5cTfu1K+qDFRbiHy0sOlHUylYQbpl356sdYFD8V4=
 github.com/tailscale/wireguard-go v0.0.0-20200318220557-3a43a6493fd7 h1:+j4H4XjC373rxZZTQz8fRu/c4m9jGEWTiaKYdWeB2w4=
 github.com/tailscale/wireguard-go v0.0.0-20200318220557-3a43a6493fd7/go.mod h1:JPm5cTfu1K+qDFRbiHy0sOlHUylYQbpl356sdYFD8V4=
+github.com/tailscale/wireguard-go v0.0.0-20200320054525-e913b7c8517d h1:5Hc2ERvHL13UZ09+CliMAnHLcHmWb6UQbFqtXpn9Dhs=
+github.com/tailscale/wireguard-go v0.0.0-20200320054525-e913b7c8517d/go.mod h1:JPm5cTfu1K+qDFRbiHy0sOlHUylYQbpl356sdYFD8V4=
 github.com/ulikunitz/xz v0.5.6 h1:jGHAfXawEGZQ3blwU5wnWKQJvAraT7Ftq9EXjnXYgt8=
 github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
 github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 h1:nIPpBwaJSVYIxUFsDv3M8ofmx9yWTog9BfvIu0q41lo=