Pass by reference instead of by pointer, which makes clear it's always non-null. It was already unconditionally dereferenced. Change-Id: I488e46ee0582ed794cb28b4cef34c8cfab676f9a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/208361 Reviewed-by: Michael Weghorn <m.weghorn@posteo.de> Tested-by: Jenkins