relnote: initialize client_common_set_hashes and
client_cached_cert_hashes to nullptr in default
QuicCompressedCertsCache::UncompressedCerts constructor.

BUG=716026

Review-Url: https://codereview.chromium.org/2848883006
Cr-Original-Commit-Position: refs/heads/master@{#468220}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: dbe2663c06b2836e528013a90269cf8bf9511820
1 file changed