Fix shift overflow in AMC13Manager
Description
From the commit message:
The event counter was getting corrupted after 2**32-1 events.
Related Issue
How Has This Been Tested?
- Intent of the code is preserved
- Assigning to a variable wide enough not to lose bits
- Compiles
Types of changes
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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 change)
Checklist:
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My code follows the code style of this project. -
My change requires a change to the documentation. -
I have updated the documentation accordingly. -
I have read the CONTRIBUTING document. -
I have added tests to cover my changes. -
All new and existing tests passed.