go.mod, go.sum: update

go.mod

@@ -31,4 +31,3 @@ require (
 	honnef.co/go/tools v0.0.1-2020.1.3 // indirect
 	rsc.io/goversion v1.2.0
 )
-

go.sum

@@ -127,6 +127,8 @@ github.com/tailscale/wireguard-go v0.0.0-20200317153427-3c84b2e08219 h1:BMAPRagO
 github.com/tailscale/wireguard-go v0.0.0-20200317153427-3c84b2e08219/go.mod h1:JPm5cTfu1K+qDFRbiHy0sOlHUylYQbpl356sdYFD8V4=
 github.com/tailscale/wireguard-go v0.0.0-20200318202300-fc0d3b3791f3 h1:zmTJDnwxACJTQaQ6xOvbxaX5z1FUspUYchN+Z+gPIRo=
 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/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=