Remove printf warning.

BUG=none
TEST=compiles, runs.

Change-Id: I6c96c30b5f48893413803032e2ba0c707f783053
Reviewed-on: https://gerrit.chromium.org/gerrit/36296
Commit-Ready: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Tested-by: Stéphane Marchesin <marcheu@chromium.org>
1 file changed