Release v1.5.2 on 2021-09-24.

1. 16e205b tests: a5_test: Print wrong buffer correctly on error by Pau Espin Pedrol · 6 years ago
2. a11994d fix compiler warnings for a5 tests by Max · 9 years ago
3. f8699ca gsm: Add A5/3-4 cipher support by Max · 9 years ago
4. ea0e1ec build: simplify test handling and speed up build. by Diego Elio Pettenò · 12 years ago
5. a42e2f6 tests/a5: Add a5_test.ok as EXTRA_DIST by Sylvain Munaut · 13 years ago
6. 810c334 tests/a5: Add a5 regression testing by Sylvain Munaut · 13 years ago