Fix failed varint bench

[ygf11]

No description provided.

[codecov-commenter]

Codecov Report

Merging #457 (1abae13) into trunk (29876b5) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##            trunk     #457   +/-   ##
=======================================
  Coverage   66.51%   66.51%           
=======================================
  Files          35       35           
  Lines        2622     2622           
=======================================
  Hits         1744     1744           
  Misses        878      878           

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[VictorKoenders]

Oops I guess we missed this in #445, thanks!