[2/2]dwrite: basic implementation for FontCollectionLoader registration

[Piotr Caban]

On 8/1/14 12:01 PM, Aric Stewart wrote:
> +    if (i == This->CollectionLoaderCount)
> +    {
> +        This->CollectionLoaderCount++;
> +        if (This->CollectionLoaders)
> +            This->CollectionLoaders = heap_realloc(This->CollectionLoaders, This->CollectionLoaderCount * sizeof(IDWriteFontCollectionLoader*));
> +        else
> +            This->CollectionLoaders = heap_alloc(This->CollectionLoaderCount * sizeof(IDWriteFontCollectionLoader*));
> +        if (!This->CollectionLoaders)
> +            return E_OUTOFMEMORY;
> +    }
There's a leak in out of memory case. Isn't it better to grow the buffer 
exponentially?