Remove trailing spaces

[hkmatsumoto]

Changes:

• Remove trailing spaces injected by c1d3fed

[codecov-io]

Codecov Report

Merging #270 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #270   +/-   ##
=======================================
  Coverage   50.66%   50.66%           
=======================================
  Files          66       66           
  Lines        3766     3766           
  Branches      442      442           
=======================================
  Hits         1908     1908           
  Misses       1763     1763           
  Partials       95       95

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