[clang] [clang-format] Preserve trailing NOLINTEND placement with SeparateDefinitionBlocks (PR #190741)

[via cfe-commits]

================
@@ -146,21 +146,24 @@ void DefinitionBlockSeparator::separateBlocks(
       if (LikelyDefinition(OperateLine))
         return false;
 
+      AnnotatedLine *NextLine =
+          OperateIndex + 1 < Lines.size() ? Lines[OperateIndex + 1] : nullptr;
----------------
owenca wrote:

```suggestion
      const auto *NextLine =
          OperateIndex + 1 < Lines.size() ? Lines[OperateIndex + 1] : nullptr;

```

https://github.com/llvm/llvm-project/pull/190741