Fix 'auto variable type must not deduce to a raw pointer type' errors in Ozone/Wayland code

ui/ozone/demo/ozone_demo.cc

Index: ui/ozone/demo/ozone_demo.cc
diff --git a/ui/ozone/demo/ozone_demo.cc b/ui/ozone/demo/ozone_demo.cc
index 109aa53ec62fafd9a1a56a8e01b688d6760e9c71..a501fe7985090e5c7537785d85ec401a676cad29 100644
--- a/ui/ozone/demo/ozone_demo.cc
+++ b/ui/ozone/demo/ozone_demo.cc
@@ -292,7 +292,7 @@ void WindowManager::OnDisplaysAquired(
   windows_.clear();
 
   gfx::Point origin;
-  for (auto display : displays) {
+  for (auto* display : displays) {
     if (!display->native_mode()) {
       LOG(ERROR) << "Display " << display->display_id()
                  << " doesn't have a native mode";