Fix add_option indentation for consistency before adding another option

lib/ansible/cli/__init__.py

@@ -260,8 +260,8 @@ class CLI(object):
                 dest='vault_password_file', help="vault password file", action="callback",
                 callback=CLI.expand_tilde, type=str)
             parser.add_option('--new-vault-password-file',
-			    dest='new_vault_password_file', help="new vault password file for rekey", action="callback",
-			    callback=CLI.expand_tilde, type=str)
+                dest='new_vault_password_file', help="new vault password file for rekey", action="callback",
+                callback=CLI.expand_tilde, type=str)
 
 
         if subset_opts: