remove extraneous version newline

main.go

@@ -42,7 +42,7 @@ func usage() {
 }
 
 func ver() string {
-	return fmt.Sprintf("%s v%s %s (%s)\n", name, version, commit[:7], date)
+	return fmt.Sprintf("%s v%s %s (%s)", name, version, commit[:7], date)
 }
 
 var defaultAddr = ":3000"