Add go.mod and fix build

Author: SuperSandro2000

go.mod

@@ -0,0 +1,8 @@
+module github.com/c3d2/telme10
+
+go 1.17
+
+require (
+	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
+	github.com/spreadspace/telgo v0.0.0-20170609015223-7277b0d8090e
+)

go.sum

@@ -0,0 +1,4 @@
+github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf h1:iW4rZ826su+pqaw19uhpSCzhj44qo35pNgKFGqzDKkU=
+github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/spreadspace/telgo v0.0.0-20170609015223-7277b0d8090e h1:lhFaE8l5AfSEzH4OW+9BUAo+BuYLe21zuHwWX1YEZHw=
+github.com/spreadspace/telgo v0.0.0-20170609015223-7277b0d8090e/go.mod h1:kvvhiAI5nvwI4SZrVH9vRa3MTjkcYm3tElmmh+bYuEI=

main.go

@@ -145,7 +145,7 @@ func answer(c *telgo.Client, args []string) bool {
 		c.Sayln("     Great! We'll see you at our hackspace then.")
 		c.Sayln("")
 		c.Sayln("     expect Music, sometimes Food, Mate,")
-        c.Sayln("     Hacksessions and more")
+		c.Sayln("     Hacksessions and more")
 		c.Sayln("")
 		c.Sayln("     Find the place:")
 		c.Sayln("     HQ im Zentralwerk, Riesaer Straße 32, 01127 Dresden")
@@ -185,9 +185,9 @@ func answer(c *telgo.Client, args []string) bool {
 func main() {
 	cmdlist := make(telgo.CmdList)
 
-	listeners, err := activation.Listeners(true)
+	listeners, err := activation.Listeners()
 	if err != nil {
-		fmt.Printf("error while getting socket form systemd", err)
+		fmt.Printf("error while getting socket form systemd: %s", err)
 		os.Exit(1)
 	}