Fix compilation with golang 1.13

Fixes #34

go.mod

@@ -5,7 +5,7 @@ require (
 	github.com/fatih/color v1.10.0
 	github.com/howeyc/gopass v0.0.0-20190910152052-7cb4b85ec19c
 	github.com/hpcloud/tail v1.0.0
-	github.com/kayrus/tuncfg v0.0.0-20210314181855-c4c275404a9a
+	github.com/kayrus/tuncfg v0.0.0-20210730110630-36a04c3b2644
 	github.com/manifoldco/promptui v0.8.0
 	github.com/miekg/dns v1.1.40
 	github.com/mitchellh/go-homedir v1.1.0

go.sum

@@ -15,8 +15,8 @@ github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a h1:FaWFmfWdAUKbSCtOU2QjDaorUexogfaMgbipgYATUMU=
 github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a/go.mod h1:UJSiEoRfvx3hP73CvoARgeLjaIOjybY9vj8PUPPFGeU=
-github.com/kayrus/tuncfg v0.0.0-20210314181855-c4c275404a9a h1:BcTyugw4H9VffOSwSp+2jz6BfuH/UXD8ZZO13tZBkBc=
-github.com/kayrus/tuncfg v0.0.0-20210314181855-c4c275404a9a/go.mod h1:jdUyRmw1/BT20zlom8+Fiuv56uiT7vVy0y40CRESYU4=
+github.com/kayrus/tuncfg v0.0.0-20210730110630-36a04c3b2644 h1:2+NDGym+CYxxEqWB7smcfg5be6reITG0bboKFAbjJl0=
+github.com/kayrus/tuncfg v0.0.0-20210730110630-36a04c3b2644/go.mod h1:jdUyRmw1/BT20zlom8+Fiuv56uiT7vVy0y40CRESYU4=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=

vendor/modules.txt

@@ -21,7 +21,7 @@ github.com/hpcloud/tail/winfile
 # github.com/juju/ansiterm v0.0.0-20180109212912-720a0952cc2a
 github.com/juju/ansiterm
 github.com/juju/ansiterm/tabwriter
-# github.com/kayrus/tuncfg v0.0.0-20210314181855-c4c275404a9a
+# github.com/kayrus/tuncfg v0.0.0-20210730110630-36a04c3b2644
 ## explicit
 github.com/kayrus/tuncfg/log
 github.com/kayrus/tuncfg/resolv