coverity#704774 Explicit null dereferenced
coverity#704774 Explicit null dereferenced

Change-Id: Ief63d63233d11015f64f5e6a19544889f0389ca3
Reviewed-on: https://gerrit.libreoffice.org/2870
Reviewed-by: Noel Power <5d8953a81ee7faf03fd3845d9c88b1bd8aadcf4c@suse.com>
Tested-by: Noel Power <5d8953a81ee7faf03fd3845d9c88b1bd8aadcf4c@suse.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core