add confirm before closing multiple tabs

src/lang/de.rs

@@ -371,5 +371,7 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("uac_warning", ""),
         ("elevated_foreground_window_warning", ""),
         ("Disconnected", ""),
+        ("Other", ""),
+        ("Confirm before closing multiple tabs", ""),
     ].iter().cloned().collect();
 }