Function isOwnPtrQnD

include/daScript/misc/memory_model.h:392–394

        virtual void shrink ();
        char * allocateName ( const string & name );
        __forceinline bool isOwnPtrQnD ( const char * ptr ) const {
           return chunk!=nullptr && chunk->isOwnPtr(ptr);
        }
        __forceinline bool isOwnPtr ( const char * ptr ) const {
            for ( auto ch=chunk; ch; ch=ch->next ) {
                if ( ch->isOwnPtr(ptr) ) return true;