Right now, |g_wNAF| and |p_wNAF| are of same size.
This change makes GCC's "-Werror=logical-op" happy and adds a compile-time
assertion in case the initial size of either array ever changes.
Change-Id: I29e39a7a121a0a9d016c53da6b7c25675ddecbdc
Reviewed-on: https://boringssl-review.googlesource.com/26104
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>