C++: Fix change note naming.

2024-06-13 11:10:00 +01:00 · 2024-06-13 11:10:00 +01:00 · 4bbeda08d6
--- a/cpp/ql/lib/change-notes/2024-06-10-builtin-expect.md
+++ b/cpp/ql/lib/change-notes/2024-06-10-builtin-expect.md
--- a/cpp/ql/lib/change-notes/2024-06-13-double-free.md
+++ b/cpp/ql/lib/change-notes/2024-06-13-double-free.md