[PATCH v2] erofs-utils: fix the missing trailing '\0' of the last dirent name

[Gao Xiang]

Hi Guifu,

On 2018/12/21 10:22, Li Guifu wrote:
> caused by the buffer is not cleanned before using, fix it.
> 

Fixes: 1d70c7468b3a ("erofs-mkfs: support to build a image from the specific root directory")

> Signed-off-by: Li Guifu <bluce.liguifu at huawei.com>

Applied to the tree.

Thanks,
Gao Xiang