Update react-sizeme.d.ts

[NNNaix]

Fixes #170

[codecov]

Codecov Report

Merging #171 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #171   +/-   ##
=======================================
  Coverage   90.56%   90.56%           
=======================================
  Files           4        4           
  Lines         106      106           
  Branches       25       25           
=======================================
  Hits           96       96           
  Misses          9        9           
  Partials        1        1

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d433fdd...7763b67. Read the comment docs.