layers: Add CreateRenderPass2KHR to unique objects

Change-Id: Ibe08b3a9cc6814d8cae54fb5510f17f177238302
diff --git a/scripts/unique_objects_generator.py b/scripts/unique_objects_generator.py
index eef0fc4..2088498 100644
--- a/scripts/unique_objects_generator.py
+++ b/scripts/unique_objects_generator.py
@@ -153,6 +153,7 @@
             'vkDebugMarkerSetObjectTagEXT',
             'vkDebugMarkerSetObjectNameEXT',
             'vkCreateRenderPass',
+            'vkCreateRenderPass2KHR',
             'vkDestroyRenderPass',
             'vkSetDebugUtilsObjectNameEXT',
             'vkSetDebugUtilsObjectTagEXT',