linux-phytec-fsl

f2fs: remove unneeded memset when updating xattr

Each of fields in struct f2fs_xattr_entry will be assigned later,
so previously we don't need to memset the struct.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>