Bug fix, resetting when not initialized

Initialize() is not always called so we should not always reset.

Author: rogerbarton

scripts/DllManipulatorScript.cs

@@ -110,7 +110,8 @@ private void OnDestroy()
                 //On Preloaded mode this leads to NullReferenceException, but on Lazy mode the DLL and function would be just reloaded so we would up with loaded DLL after game exit.
                 //Thankfully thread safety with Lazy mode is not implemented yet.
 
-                DllManipulator.Reset();
+                if (DllManipulator.Options != null) // Check that we have initialized
+                    DllManipulator.Reset();
                 _singletonInstance = null;
             }
         }