Check pcConfig (which can be null) before use.

BUG=

TEST=manully with pc1.html
R=juberti@google.com

Review URL: https://webrtc-codereview.appspot.com/9079004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/samples/js@5603 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed
tree: 393b8284948063d0cc2ab21cd498f59fc72d0a28
  1. apprtc/
  2. base/
  3. demos/
  4. OWNERS