[Bug-tar] src/names.c rev 1.64

[Christian Weisgerber]

Is the change in revision 1.64 of src/names.c

(contains_dot_dot): Fix double-dot recognition in case of duplicate /.
Patch by Dmitry V. Levin.

really correct?  It has been forwarded to me as a security fix for
1.18, but there it causes tar to hang when trying to extract any
symlink from an archive.  This can easily be confirmed by running
the test suite.

-- 
Christian "naddy" Weisgerber                          address@hidden