fix usage on android API <19

[ffgiraldez]

Objects.hascode was not introduced in Android until API 19

in order

[pakoito]

LGTM

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (master@eea20f4). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master     #119   +/-   ##
=========================================
  Coverage          ?   55.54%           
  Complexity        ?      200           
=========================================
  Files             ?       80           
  Lines             ?     1172           
  Branches          ?      168           
=========================================
  Hits              ?      651           
  Misses            ?      453           
  Partials          ?       68

Impacted Files	Coverage Δ	Complexity Δ
.../src/main/kotlin/kategory/typeclasses/Typeclass.kt	38.8% <100%> (ø)	0 <0> (?)

---

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 eea20f4...3d6af17. Read the comment docs.