libge2d: coverity issue [1/1]

PD#SWPL-172704

Problem:
coverity issue

Solution:
fix it

Verify:
coverity

Signed-off-by: yuhua.lin <yuhua.lin@amlogic.com>
Change-Id: Ic75c2fd253a4588dc1c7c364c5c60fcd2f9de592
1 file changed