[clang] [clang][NFC] Fix some more incorrectly formatted comments (PR #138342)

[Nick Sarnie via cfe-commits]

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@@ -4911,8 +4911,8 @@ std::optional<NullabilityKind> Type::getNullability() const {
 bool Type::canHaveNullability(bool ResultIfUnknown) const {
   QualType type = getCanonicalTypeInternal();
 
+  // We'll only see canonical types here.
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sarnex wrote:

done in latest commit, thanks!

https://github.com/llvm/llvm-project/pull/138342