remove force unwrap

Replace force unwrap to prevent possible crashes.

Change-Id: I98ca63608fe814242f1b473e84b652418696d568
33 files changed
tree: fccf8bd42e43e302d3d9f4051df839094d4cafca
  1. Ring/
  2. .gitattributes
  3. .gitignore
  4. .gitreview
  5. compile-ios.sh
  6. COPYING