LU-2697 osp: remove trailing newline on thread names

LU-2697 osp: remove trailing newline on thread names

The trailing newline on the thread name causes confusion with some
utilities that examine this string.

Signed-off-by: chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Change-Id: I031aafd2541b1829bc721ebcb9f52cb5e73101b3
Reviewed-on: http://review.whamcloud.com/5189
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>