Fix rbt diff's call to get the API client

Review Request #3932 — Created March 5, 2013 and submitted

Information

RBTools
master

Reviewers

Fix rbt diff's call to get the API client

It seems the diff command was missed when refactoring the way commands
get the API client. The diff command should now work again.
I can actually use rbt diff again!
reviewbot
  1. This is a review from Review Bot.
      Tool: PEP8 Style Checker
      Processed Files:
        rbtools/commands/diff.py
      Ignored Files:
    
    
  2. 
      
david
  1. Ship It!
  2. 
      
chipx86
  1. Ship It!
  2. 
      
SM
Review request changed
Status:
Completed
Change Summary:
Pushed to master (e9ed3d507679f4455bc737b0efa5089901a09d83).