Domen Vrankar authored Mar 01, 2015 and Brad King committed Mar 03, 2015

Prevent cyclic recursion of type "a/b/c -> a" when glob recurse is used
with follow symlinks so that each directory symbolic link is traversed
only once and skipped on revisit.

Change-Id: I6f52489198d692c3c0b0d94986db0e664d050342