Remove unnecessary NULL check from LOG_LEVEL handler

cmd cannot be NULL here, so there is no need to check it before calling
os_strlen()

CRs-Fixed: 891515
Git-repo: git://w1.fi/srv/git/hostap.git
Git-commit: 137b293963c2782e86154ad4c689a686ab0c13c3
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

Change-Id: I4246e0e7f037363c9059d1d3e1dbfabfbba4c347
2 files changed