57d1e5e1c9
The old hash was invalid because of a problem with line ending
normalization in the zstd module:
$ file /nix/store/3v178rjmmyxlb5s9bn0nvq5xzcixlali-source/src/c/zstd/build/VS2008/fullbench/fullbench.vcproj /nix/store/qagxczby82d2pvwsv9nancayx2ywfr51-source/src/c/zstd/build/VS2008/fullbench/fullbench.vcproj
/nix/store/3v178rjmmyxlb5s9bn0nvq5xzcixlali-source/src/c/zstd/build/VS2008/fullbench/fullbench.vcproj: XML 1.0 document, ASCII text
/nix/store/qagxczby82d2pvwsv9nancayx2ywfr51-source/src/c/zstd/build/VS2008/fullbench/fullbench.vcproj: XML 1.0 document, ASCII text, with CRLF line terminators
We don't need that module so let's remove it from `src`.