Fix missing 'shell=True' for gclient
Fix missing 'shell=True' for gclient

We need to launch gclient from the shell since it's really a bat file
or shell script.

BUG=11292
R= sehr@google.com

Review URL: http://codereview.chromium.org/9419001

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@122393 0039d316-1c4b-4281-b951-d872f2087c98

ropik/chromium,ropik/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,adobe/chromium,gavinp/chromium,ropik/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium