iio: chemical: pms7003: convert comma to semicolon

Replace a comma between expression statements by a semicolon.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201211085700.3037-1-zhengyongjun3@huawei.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>