locale: add missing locale message id #401

All 216 tests pass in 2m 7s

    1 files ±0   64 suites ±0 2m 7s ⏱️ -16s
216 tests ±0 216 ✔️ ±0 0 💤 ±0 0 ❌ ±0
219 runs ±0 219 ✔️ ±0 0 💤 ±0 0 ❌ ±0

Results for commit a6d6967. ± Comparison against earlier commit fddb46c.