Add launcher updater todo for later

AM2RLauncher/AM2RLauncher/LauncherUpdater.cs

@@ -208,6 +208,7 @@ namespace AM2RLauncher
 
                 log.Info("Files extracted. Preparing to restart executable...");
                 
+                // TODO: This will fail if CWD is not where the launcher is located. Use absolute path here.
                 if (OS.IsLinux) System.Diagnostics.Process.Start("chmod", "+x ./AM2RLauncher.Gtk");
 
                 System.Diagnostics.Process.Start(updatePath + "/" + CrossPlatformOperations.LAUNCHERNAME);