Fix the expansion of the $Source$ keyword.

For a file in the attic, include the "Attic" part of the RCS file's
directory path in the expansion of $Source$.

git-svn-id: http://cvs2svn.tigris.org/svn/cvs2svn/trunk@5379 be7e6eca-30d4-0310-a8e5-ac0d63af7087

cvs2svn_lib/keyword_expander.py

@@ -94,10 +94,10 @@ def revision(self):
 
   def source(self):
     project = self.cvs_rev.cvs_file.project
-    return '%s/%s%s,v' % (
+    return '%s/%s%s' % (
         project.cvs_repository_root,
         project.cvs_module,
-        self.cvs_rev.cvs_file.cvs_path,
+        '/'.join(self.cvs_rev.cvs_file.get_path_components(rcs=True)),
         )
 
   def state(self):