Properly highlight the window when bringing it to the front.

This can happen if our extras menu item is selected when the window is already open but not at the front. Previously, it would come to the front but the highlighting would not update to make it look active.

browserwindow.c

@@ -62,7 +62,7 @@ static void DrawButtonOutlines(boolean justChanged);
 
 void ShowBrowserWindow(void) {
     if (windowOpened) {
-        BringToFront(window);
+        SelectWindow(window);
         return;
     }