Fix oleaut32/olepicture

[Maxime Bellengé]

I resnd it because it does not appears on the wine patches page (noticed
by stéphan beuze). It is maybe a consequence of the recent server
problems.

-

This patch fixes the loading of jpeg images through OleLoadPicture

According to MSDN, each scanline of a DIB has to be aligned on DWORD.
Moreover BITMAPINFOHEADER says that colors should be BGR.

These changes fix the SplashScreen of emule. Now it looks as it should.

a+ 

Max

ChangeLog:
  * Fixes scanline size in OLEPictureImpl_Load for jpeg
  * Convert from RGB to BGR according to BITMAPINFOHEADER MSDN
documentation.
-- 
Maxime Bellengé <maxime.bellenge at laposte.net>
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