...to find more places like 09978dd1 "clang-tidy
bugprone-unused-return-value"

Change-Id: Ibe8b6790c701dc8270295dd1e2cbc9023b5ce018
Reviewed-on: https://gerrit.libreoffice.org/60234
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>