Handle return value 24 the same as 23

[merks]

eclipse-equinox/p2#166

[github-actions]

Test Results

  424 files   -   212    424 suites   - 212   32m 47s ⏱️ - 9m 0s
3 945 tests ±    0  3 904 ✅  -    18   41 💤 +18  0 ❌ ±0 
8 294 runs   - 4 147  8 179 ✅  - 4 098  115 💤  - 49  0 ❌ ±0 

Results for commit ae06cab. ± Comparison against base commit 85dc3d0.

This pull request skips 18 tests.

org.eclipse.core.tests.resources.regression.Bug_026294 ‑ testDeleteClosedProjectLinux
org.eclipse.core.tests.resources.regression.Bug_026294 ‑ testDeleteFolderLinux
org.eclipse.core.tests.resources.regression.Bug_026294 ‑ testDeleteOpenProjectLinux
org.eclipse.core.tests.resources.regression.Bug_044106 ‑ testDeleteLinkedFile
org.eclipse.core.tests.resources.regression.Bug_044106 ‑ testDeleteLinkedFileKeepHistory
org.eclipse.core.tests.resources.regression.Bug_044106 ‑ testDeleteLinkedFolder
org.eclipse.core.tests.resources.regression.Bug_044106 ‑ testDeleteLinkedFolderKeepHistory
org.eclipse.core.tests.resources.regression.Bug_044106 ‑ testDeleteLinkedFolderParentKeepHistory
org.eclipse.core.tests.resources.regression.Bug_044106 ‑ testDeleteLinkedResourceInProject
org.eclipse.core.tests.resources.regression.Bug_044106 ‑ testDeleteLinkedResourceInProjectKeepHistory
…