function fix( fixer ) {
			var range = [
				source.getIndexFromLoc({
					'line': loc.start.line,
					'column': 0
				}),
				source.getIndexFromLoc( loc.end )
			];
			return fixer.insertTextBeforeRange( range, '\n' );
		}
Fixes the lint error by inserting an empty line before the comment.

@private
@param {Object} fixer - ESLint fixer
@returns {Object} fix