Fix accidental sys.exit() call in perforce tool.
Fix accidental sys.exit() call in perforce tool.

Apparently we flubbed some indentation. Oops =(

reviewboard/rbtools,reviewboard/rbtools,clach04/rbtools,davidt/rbtools,haosdent/rbtools,1tush/rbtools,datjwu/rbtools,clach04/rbtools_0.4.1,halvorlu/rbtools,halvorlu/rbtools,Khan/rbtools,haosdent/rbtools,datjwu/rbtools,reviewboard/rbtools,haosdent/rbtools,davidt/rbtools,beol/rbtools,Khan/rbtools,bcelary/rbtools,davidt/rbtools,datjwu/rbtools,beol/rbtools,halvorlu/rbtools,beol/rbtools