[llvm] [IR] Replace uses of IRBuilder::getInt8PtrTy with getPtrTy. NFC (PR #73154)

[Nikita Popov via llvm-commits]

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@@ -300,7 +300,7 @@ static Value *callBufferedPrintfStart(
 
   Type *Tys_alloc[1] = {Builder.getInt32Ty()};
   Type *I8Ptr =
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nikic wrote:

Rename variable.

https://github.com/llvm/llvm-project/pull/73154