C++: Add change note.

MathiasVP · MathiasVP · commit 7af6496a7148 · 2023-12-14T17:13:23.000Z
diff --git a/cpp/ql/lib/change-notes/2023-12-14-dataflow-tostring.md b/cpp/ql/lib/change-notes/2023-12-14-dataflow-tostring.md
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+---
+category: minorAnalysis
+---
+* Changed the output of `Node.toString` to better reflect how many indirections a given dataflow node has.

-Original file line number
+Diff line change
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 +---
 +category: minorAnalysis
 +---
 +* Changed the output of `Node.toString` to better reflect how many indirections a given dataflow node has.