Port a23222ed

Original commit message:

    For cross-compiler-compatibility and standards compliance %p
    requires a void*, rather than any pointer type.

R=machenbach@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=chromium:474921
LOG=N

Review-Url: https://codereview.chromium.org/2009653002
Cr-Commit-Position: refs/heads/master@{#36519}