Fixed cppcheck errors caused by bcocheck.cc

[josephbertaux]

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work for users)
• Requiring change in macros repository (Please provide links to the macros pull request in the last section)
• I am a member of GitHub organization of sPHENIX Collaboration, EIC, or ECCE (contact Chris Pinkenburg to join)

What kind of change does this PR introduce? (Bug fix, feature, ...)

TODOs (if applicable)

Links to other PRs in macros and calibration repositories (if applicable)