config: multiple web.listen-address args results into an error, if --…

…config.file is defined.

Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>

cmd/windows_exporter/main.go

@@ -166,7 +166,7 @@ func run() int {
 		// NOTE: This is temporary fix for issue #1092, calling kingpin.Parse
 		// twice makes slices flags duplicate its value, this clean up
 		// the first parse before the second call.
-		*webConfig.WebListenAddresses = (*webConfig.WebListenAddresses)[1:]
+		*webConfig.WebListenAddresses = slices.Compact(*webConfig.WebListenAddresses)
 
 		// Parse flags once more to include those discovered in configuration file(s).
 		if _, err = app.Parse(os.Args[1:]); err != nil {