wined3d: Add a function for allocating aligned resource, memory (try 3)

[Stefan Dösinger]

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Am 2013-08-21 12:43, schrieb Alexandre Julliard:>   8 0x68e5fba9
wined3d_texture_decref+0x48(texture=<couldn't compute location>)
[/home/julliard/wine/wine/dlls/wined3d/texture.c:449] in wined3d
(0x0032fb28)
This is an existing bug, when running the tests often enough with the
existing code I get heap corruption as well. I'll look for a fix. I
suspect that the size of s3tc volume maps isn't calculated properly. I
wasn't even aware s3tc volume maps existed in d3d...

Obviously don't apply my patches for now, the different alignment
handling makes the bug occur much more often.

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