Merge pull request #83 from jacobwilliams/82-memory-leak-hotfix

fixed a memory leak when reading the JSON

Author: milancurcic

src/nf/nf_keras_submodule.f90

@@ -65,6 +65,9 @@ module function get_keras_h5_layers(filename) result(res)
 
     end do layers
 
+    ! free the memory:
+    call json % destroy(model_config_json)
+
   end function get_keras_h5_layers
 
 end submodule nf_keras_submodule