Fix a typo in ZIL write handling comment
The following comment in zil.h
- WR_COPIED:
- If we know we'll immediately be committing the
- transaction (FSYNC or FDSYNC), then we allocate a larger
- log record here for the data and copy the data in.
The word "the" should be "then".
Signed-off-by: luozhengzheng <luo.zhengzheng@zte.com.cn>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4961