D3D9: Fix vertex decl test

[Stefan Dösinger]

Implements the suggestions from Ivan :-)

The first vertex declaration does not change on my windows(radeon mobility 
M9), so if it does somewhere else its not a behavior which we'd have to 
check.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-D3D9-Fix-vertex-decl-test.patch
Type: text/x-diff
Size: 1345 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20070412/8ff199a4/0001-D3D9-Fix-vertex-decl-test.bin