[3/10] WineD3D: Move decoding the vertex declaration to the vertexshader state handler

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This particular commit breaks Galactic Civilizations 2 Dark Avatar.
Would a trace be helpful?

438c17284138776edbbe9196364ae620bbf01adb is first bad commit
commit 438c17284138776edbbe9196364ae620bbf01adb
Author: Stefan Dösinger <stefandoesinger at gmx.at>
Date:   Tue Jan 2 21:31:08 2007 +0100

    wined3d: Move decoding the vertex declaration to the vertexshader
state handler.