Fix phpcs error

* Fixed errors pointed out by phpcs
5 jobs for pipeline in 1 minute
Status Job ID Name Coverage
  Lint
passed #4963
lint:lint-php5.4

00:00:28

passed #4964
lint:lint-php5.6

00:00:26

passed #4965
lint:lint-php7.0

00:00:26

passed #4966
lint:lint-php7.1

00:00:27

 
  Codesniffer
passed #4967
allowed to fail
codesniffer

00:00:31