Incorrect usage of _PathSource for command line argument paths.  Fixing in SVN so that this is fixed externally quickly (where it is used).
Incorrect usage of _PathSource for command line argument paths.  Fixing
in SVN so that this is fixed externally quickly (where it is used).

See discussion:
https://groups.google.com/group/closure-library-discuss/browse_thread/thread/efae65a3f5ce36f3



git-svn-id: 35241bd708fe29f1f6c7a4322d322e99ff93b95e@748 0b95b8e8-c90f-11de-9d4f-f947ee5921c8

johan/closure-library,johan/closure-library,johan/closure-library