staging: lustre: ldlm: reconstruct proper flags on enqueue resend

otherwise, waiting lock may get granted as no BLOCKED_GRANTED
flag is returned

Signed-off-by: Vitaly Fertman <vitaly_fertman@xyratex.com>
Xyratex-bug-id: MRP-1944
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5496
Reviewed-on: http://review.whamcloud.com/11644


Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>