ceph.in: add to $PATH if needed regardless of LD_LIBRARY_PATH state

Signed-off-by: Dan Mick <dan.mick@inktank.com>
Merge pull request #548 from dmick/next

ceph.in: add to $PATH if needed regardless of LD_LIBRARY_PATH state

Reviewed-by: Sage Weil <sage@inktank.com>