allow loading multiple CAs into bundle (#264)
allow loading multiple CAs into bundle (#264)

* allow loading multiple CAs into bundle

* Use short variable declaration

Co-authored-by: Sam Ribeiro <b6e8dfd59a024a7d5787ca228e0d8b0348473bfb@google.com>
google/gnxi,google/gnxi,google/gnxi,google/gnxi,google/gnxi,google/gnxi