Use %zu to print size_t

Test: m -j checkbuild
Change-Id: I93a1da7241169e0e08d310ad7fad68f227629be6
Merged-In: I93a1da7241169e0e08d310ad7fad68f227629be6
(cherry picked from commit cb8f367327286714617c0ccd7b356abd3a8aa15b)
1 file changed