[D3D9] fix for SetFVF memleak [2nd try+patch]

[H. Verbeet]

On 14/10/06, Ivan Gyurdiev <ivg231 at gmail.com> wrote:
> Exactly... so why is the refcount 1 *after* GetVertexDeclaration.
Perhaps the declaration in only generated when calling
GetVertexDeclaration(). If you call it twice, does it return the same
pointer?