LU-5406: liblustre: remove \n from some llapi_error strings

LU-5406: liblustre: remove \n from some llapi_error strings

Some strings passed to llapi_error() contain a \n. But llapi_error's
callback, error_callback_default(), adds one too. So fix these strings.

Converted a few spaces to tabs.

Change-Id: I0e639bd52813ac672c677e7c10713f211ea0888a
Signed-off-by: frank zago <fzago@cray.com>
Reviewed-on: http://review.whamcloud.com/11214
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Nunez <james.a.nunez@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>