- replaced OSL_TRACE with SAL_INFO
- replaced OSL_ENSURE with SAL_WARN_IF

Change-Id: Ie30fbc9c720d8b93d6093e2c95f61dceea8aae2f
Reviewed-on: https://gerrit.libreoffice.org/2651Reviewed-by: Fridrich Strba <fridrich@documentfoundation.org>
Tested-by: Fridrich Strba <fridrich@documentfoundation.org>