oleaut32: Fail the typelib test when LoadTypeLib fails.

[Jacek Caban]

Hi Vincent,

Vincent Povirk wrote:
>
> As far as I know, this failure only occurs when I do something stupid 
> like set use_midl_tlb to 1 and don't provide a working 
> midl_tmarshal.tlb, but I need the test to remind me that I'm an idiot 
> when I do that. Silently skipping tests is unacceptable.
>


While you are at this, it would be better to test the exact hr value, so 
the test should be:
ok(hr == S_OK, ...).


Jacek