One liner fix.

Review URL: http://codereview.chromium.org/502075

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@34984 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/scm.py b/scm.py
index 757935d..8dc127e 100644
--- a/scm.py
+++ b/scm.py
@@ -94,7 +94,7 @@
     """
     c = [SVN.COMMAND]
     c.extend(args)
-
+    # TODO(maruel): This is very gclient-specific.
     gclient_utils.SubprocessCall(c, in_directory)
 
   @staticmethod