Added missing semicolon on utils.js
Added missing semicolon on utils.js

Some ancient browsers (like IE 8) Cannot handle correctly the fact that a semicolon is missing at the end of the row.
With this modification the code will run smooth on IE 8.
jan-ivar/adapter,xdumaine/adapter,webrtc/adapter,Acidburn0zzz/adapter,webrtc/adapter,jan-ivar/adapter,Acidburn0zzz/adapter,Acidburn0zzz/adapter,xdumaine/adapter