fixing inflation api

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 42.58%. Comparing base (b13c69d) to head (8be34bf).

Files	Patch %	Lines
x/jklmint/keeper/keeper.go	0.00%	5 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #467 +/- ## ========================================== + Coverage 42.56% 42.58% +0.01% ========================================== Files 404 404 Lines 13248 13252 +4 ========================================== + Hits 5639 5643 +4 - Misses 7214 7216 +2 + Partials 395 393 -2 ```

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