d3d12/dzn/spirv2dxil: Require version library
Fixes: b8328c96 ("microsoft/compiler: Blacklist DXIL validator 1.6 from 20348 SDK")
Closes: #6952 (closed)
Closes: #6959 (closed)
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Fixes: b8328c96 ("microsoft/compiler: Blacklist DXIL validator 1.6 from 20348 SDK")
Closes: #6952 (closed)
Closes: #6959 (closed)