erofs-utils: fix an uninitialized variable

This fixes a building failure caused by using a variable before initialization.

Signed-off-by: Lianjun Huang <huanglianjun@vivo.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
1 file changed