清理cppcheck告警

Log: 清理cppcheck告警
Change-Id: Ib4fd5839d17e2b25b5d3a2487e96251aa9cda0c9
Reviewed-on: http://gerrit.uniontech.com/c/dde-control-center/+/6788
Reviewed-by: <mailman@uniontech.com>
Reviewed-by: dongrui <dongrui@uniontech.com>
Reviewed-by: lvpeilong <lvpeilong@uniontech.com>
Tested-by: <mailman@uniontech.com>