WineD3D: surface pitch fix

[Roderick Colenbrander]

Hi,

This patch fixes a regression caused by setting an incorrect pitch value. The call glPixelStorei with GL_UNPACK_ROW_LENGTH expects the length of a row in memory excluding the bpp, so it wants a pitch without bpp. This patch fixes that and also replaces width with pitch in the memory allocation part of the code. We only need pitch*height*bpp whereas width*height*bpp can be greater or equal to pitch*height*bpp, so that we allocate too a little more memory than we actually need.
Further this patch clears the pitch at the end of the function which fixes Battlefield 1942.

Regards,
Roderick Colenbrander


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