Fix last CTH warning

Change-Id: Ic8c2090897d6306803c99d0344daf6cc51b4d613
Unsigned/Signed comparison fix

Change-Id: I55405331cb5e8be386d613994266184687a4431d
Merge topic 'fix-warnings-v4' into next

877b0ee Unsigned/Signed comparison fix
fd6600e Fix last CTH warning