message: fix(utils): Check custom prop types correctly
diff: @@ -34,7 +34,7 @@ export const deprecatedPropType = (propType, explanation = '') => (
  }
  return PropTypes.checkPropTypes(
  - { propName: propType },
  + { [propName]: propType },
  props,
  propName,
  componentName
  @@ -63,7 +63,7 @@ export const eitherOrPropType = (
  /* eslint-enable max-len */
  return PropTypes.checkPropTypes(
  - { propName: propType },
  + { [propName]: propType },
  props,
  propName,
  componentName
  