[PATCH] staging: erofs: add the missing __init tags

[Chao Yu]

On 2018/10/9 21:43, Gao Xiang wrote:
> Append __init to `erofs_init_inode_cache',
> `z_erofs_init_zip_subsystem' and move these
> declarations to internal.h.
> 
> Signed-off-by: Gao Xiang <gaoxiang25 at huawei.com>

Reviewed-by: Chao Yu <yuchao0 at huawei.com>

Thanks,