Using &* can be problematic if the pointer is null. In this case I don’t
think it matters, but using unique_ptr::get() is probably easier to
understand anyway. This also paves the way for a later compiler plugin
to check for this.
Change-Id: I6b399d57cdf580d40721789bf3d6e7607c56fd6e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/211751
Tested-by: Jenkins
Reviewed-by: Neil Roberts <nroberts@libreoffice.org>