Fix build: Don't compare unsigned int with signed int.
Fix build: Don't compare unsigned int with signed int.

Change-Id: Iad3d2a9aa30c647a3b847b162a1692287dad83e9

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst