revert buffer.ts

Author: WeihanLi

src/util/buffer.ts

@@ -149,4 +149,4 @@ export function getReadableSize(input: number | Buffer | string, siUnits = true)
     let unitName = bytes === 1 ? 'byte' : units[unitIndex];
 
     return (bytes / Math.pow(thresh, unitIndex)).toFixed(1).replace(/\.0$/, '') + ' ' + unitName;
-}
+}