re-add support for legacy window titles (WM_NAME)

src/nc.c

@@ -347,8 +347,13 @@ int main(int argc, char *argv[]) {
     GET_ATOM(_NET_ACTIVE_WINDOW);
     GET_ATOM(_NET_WORKAREA);
 
+    /* Watch _NET_WM_NAME (title of the window encoded in UTF-8) */
     xcb_property_set_handler(&prophs, atoms[_NET_WM_NAME], 128, handle_windowname_change, NULL);
 
+    /* Watch WM_NAME (title of the window encoded in COMPOUND_TEXT) */
+    xcb_watch_wm_name(&prophs, 128, handle_windowname_change_legacy, NULL);
+
+
     keysyms = xcb_key_symbols_alloc(conn);
 
     xcb_get_numlock_mask(conn);