Issue 5603 - Support references in parameters of exported functions

compiled/subscription/Subscription.h

Index: compiled/subscription/Subscription.h
===================================================================
--- a/compiled/subscription/Subscription.h
+++ b/compiled/subscription/Subscription.h
@@ -38,17 +38,17 @@
       void BINDINGS_EXPORTED setter(param_type value)\
       {\
         if (name != value)\
         {\
           name = value;\
           if (FilterNotifier::Topic::topic != FilterNotifier::Topic::NONE)\
           {\
             FilterNotifier::SubscriptionChange(FilterNotifier::Topic::topic,\
-                this);\
+                *this);\
           }\
         }\
       }
 
 #define SUBSCRIPTION_PROPERTY(type, name, topic, getter, setter) \
     static_assert(std::is_arithmetic<type>::value, "SUBSCRIPTION_PROPERTY macro can only be used with arithmetic types");\
     SUBSCRIPTION_PROPERTY_INTERNAL(type, type, name, topic, getter, setter)
 
@@ -88,17 +88,17 @@ public:
   SUBSCRIPTION_PROPERTY(bool, mListed, NONE, GetListed, SetListed);
 
   Filters::size_type BINDINGS_EXPORTED GetFilterCount() const
   {
     return mFilters.size();
   }
 
   Filter* BINDINGS_EXPORTED FilterAt(Filters::size_type index);
-  int BINDINGS_EXPORTED IndexOfFilter(Filter* filter);
+  int BINDINGS_EXPORTED IndexOfFilter(const Filter& filter);
   OwnedString BINDINGS_EXPORTED Serialize() const;
   OwnedString BINDINGS_EXPORTED SerializeFilters() const;
 
   static Subscription* BINDINGS_EXPORTED FromID(const String& id);
 
   template<typename T>
   T* As();
 };