function report( old, replacement, loc ) {
		var msg = '"'+old+'" type definition should be "'+replacement+'"';
		context.report({
			'node': null,
			'message': msg,
			'loc': loc
		});
	}
Reports the error message.

@private
@param {string} old - name of type with typo
@param {string} replacement - correct type name
@param {Object} loc - lines of code (object with `start` and `end` properties)