[clang] [clang][RISCV] Fix typo of vector crypto in SemaRISCV.cpp. NFC (PR #106485)

[Brandon Wu via cfe-commits]

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@@ -733,7 +733,7 @@ bool SemaRISCV::CheckBuiltinFunctionCall(const TargetInfo &TI,
     if (ElemSize == 64 && !TI.hasFeature("zvknhb"))
       return Diag(TheCall->getBeginLoc(),
                   diag::err_riscv_builtin_requires_extension)
-             << /* IsExtension */ true << TheCall->getSourceRange() << "zvknb";
+             << /* IsExtension */ true << TheCall->getSourceRange() << "zvknhb";
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4vtomat wrote:

I think we can't, since the `RequiredFeatures` in `riscv_vector.td` already blocks the intrinsic generation, I guess we don't even need this check, do we?

https://github.com/llvm/llvm-project/pull/106485