test_5 should mount 2 subsystems, but mount command has typo,
it says "$subsys" instead of "$subsys2"

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
   .../controllers/cgroup/cgroup_regression_test.sh   |    2 +-
   1 files changed, 1 insertions(+), 1 deletions(-)