bug fix with off by one pointer check

fixes a bug that would prevent a correct (but empty) packet to be decoded

This merge request affects 1 package:

• MuonSpectrometer/MuonCnv/MuonNSWCommonDecode

This merge request affects 1 file:

• MuonSpectrometer/MuonCnv/MuonNSWCommonDecode/src/NSWTriggerSTGL1AElink.cxx

Adding @jojungge ,@rosati ,@kluit ,@apsallid ,@stavrop ,@pscholer as watchers

added MuonSpectrometer Trigger main review-pending-level-1 labels

CI Result SUCCESS (hash eb67be97)

	Athena	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 5903] (remote access info)

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit 3de6ba47

@ekajomov this one should have targeted the 24.0 branch, right? I assume it is a relevant fix for 2024 data-taking.

picked the changes into the branch cherry-pick-3de6ba47 with commit cbd64ce5

mentioned in commit cbd64ce5

mentioned in merge request !70031 (merged)

mentioned in commit 76321a1a