Updates state with store info submit error
Holds information only for latest request

@param  {Object} state  Current state
@param  {Object} action Action
@return {Object}        Updated state
function storeInfoSubmitError( state = false, action ) {
	switch ( action.type ) {
		case WOOCOMMERCE_MAILCHIMP_STORE_INFO_SUBMIT_SUCCESS:
		case WOOCOMMERCE_MAILCHIMP_STORE_INFO_SUBMIT_FAILURE:
			const error =
				WOOCOMMERCE_MAILCHIMP_STORE_INFO_SUBMIT_FAILURE === action.type ? action.error : false;
			return error;
	}

	return state;
}