Fix clippy warnings

[JohnTitor]

No description provided.

[codecov]

Codecov Report

Merging #73 into master will increase coverage by 0.12%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #73      +/-   ##
==========================================
+ Coverage   78.97%   79.09%   +0.12%     
==========================================
  Files          24       24              
  Lines        2026     2019       -7     
==========================================
- Hits         1600     1597       -3     
+ Misses        426      422       -4     

Impacted Files	Coverage Δ
actix-cors/src/lib.rs	83.83% <ø> (ø)
actix-identity/src/lib.rs	95.58% <100.00%> (+0.88%)	⬆️
actix-protobuf/src/lib.rs	46.78% <100.00%> (ø)
actix-session/src/cookie.rs	89.16% <100.00%> (ø)
actix-session/src/lib.rs	86.95% <100.00%> (ø)

---

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 6b839f0...bd963fb. Read the comment docs.