Fix compile error under gcc 9.2
Fix compile error under gcc 9.2

Change-Id: I2b977e1c12036930f84c73728200268c2fe25386
Signed-off-by: Eunki, Hong <301831f1139537c1cbbc3eb529a9eda692d8c1bb@samsung.com>

dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor