crash_collector: pedantically document hashed string for warn_collector

When computing a hash of a kernel warning message, we include the
trailing newline character. Document this fact, to make it easier
to write separate tools that compute the hash.

BUG=none
TEST=cros_workon_make --board=link --test --reconf crash-reporter

Change-Id: I5d78235db5c8bff7e3639c9d1cd3915d343f471e
Reviewed-on: https://gerrit.chromium.org/gerrit/60797
Commit-Queue: mukesh agrawal <quiche@chromium.org>
Reviewed-by: mukesh agrawal <quiche@chromium.org>
Tested-by: mukesh agrawal <quiche@chromium.org>
1 file changed
tree: b4208056f4a764b856dd5ee8f34379be438a7f24
  1. crash_reporter/