LU-4629 osd-ldiskfs: fix uninitialized members

LU-4629 osd-ldiskfs: fix uninitialized members

'new.dt' is used uninitialized in this function.

osd_compat.c:162: 'new.dt' is declared
osd_compat.c:179: 'new.dt' is used, but is uninitialized.

osd_compat.c:354: 'new.dt' is declared
osd_compat.c:382: 'new.dt' is used, but is uninitialized.

Signed-off-by: Dmitry Eremin <dmitry.eremin@intel.com>
Change-Id: Ic37b0fd93a83d5d1a9270fd41b8bfec2f08d4b2a
Reviewed-on: http://review.whamcloud.com/10614
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>