When the destination is a directory, building the the destination file
path is always needed. That's because even if the copy fallback is
taken, it's always followed by a rename.
(Bitbake rev: 14c17480827ced2e03c1b62dc839696421fc4de8)
Signed-off-by: Alberto Mardegan <amardegan@luxoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>