Fixed slight bug in CMDpassthru where the command name was being passed to the CL Load rather than the CL name.

TEST=Try passthru commands like gcl revert and gcl stat and ensure that they perform as expected on each file in a CL.
BUG=none

Review URL: http://codereview.chromium.org/8404044

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@107576 0039d316-1c4b-4281-b951-d872f2087c98

gcl.py

@@ -1339,10 +1339,11 @@ def CMDpassthru(args):
 
   It assumes a change list name is passed and is converted with the files names.
   """
+  cl_name = args[1]
   args = ["svn", args[0]]
   if len(args) > 1:
     root = GetRepositoryRoot()
-    change_info = ChangeInfo.Load(args[1], root, True, True)
+    change_info = ChangeInfo.Load(cl_name, root, True, True)
     args.extend([os.path.join(root, x) for x in change_info.GetFileNames()])
   return RunShellWithReturnCode(args, print_output=True)[1]