shared memory: fix alignment

[darthunix]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
executor/src/server.rs	75.00%	1 Missing ⚠️

Files with missing lines	Coverage Δ
executor/src/server.rs	47.02% <75.00%> (+47.02%)	⬆️

... and 17 files with indirect coverage changes

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