mosaic_open(): fix
mosaic_open(): fix

Commit 4bc1e42 breaks mosaic_open() as there's a call to readlink()
which only works for symlinks. This is a temprorary fix.

Should fix issue #23, https://github.com/xemul/mosaic/issues/23

Signed-off-by: Kir Kolyshkin <c0159612b0ef32139322233232df1a0d189c4b9b@openvz.org>

kolyshkin/mosaic,xemul/mosaic,xemul/mosaic,kolyshkin/mosaic,xemul/mosaic,kolyshkin/mosaic