staging: lustre: Correct missing newline for CERROR call in sfw_handle_server_rpc

This is one of the fixes broken out of patch 10000 that was
missed in the merger. With this fix the CERROR called in
sfw_handle_server_rpc will print out correctly.

Signed-off-by: James Nunez <james.a.nunez@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4871
Reviewed-on: http://review.whamcloud.com/10000


Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Cliff White <cliff.white@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>