[clang-tools-extra] [NFC] Fixes proposed by code sanitizer. (PR #134138)

[Piotr Zegar via cfe-commits]

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@@ -305,7 +305,7 @@ IncludeInserter::calculateIncludePath(const HeaderFile &InsertedHeader,
   if (llvm::sys::path::is_absolute(Suggested))
     return std::nullopt;
   bool IsAngled = false;
-  for (auto Filter : AngledHeaders) {
+  for (auto &Filter : AngledHeaders) {
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PiotrZSL wrote:

same thing in line 315

https://github.com/llvm/llvm-project/pull/134138