Fixes rare edge case of handling GNU LongLink and LongName entries. Perf improvements. /dev/null writes were taking CPU time during docker push. Thanks @LK4D4 Various cleanup too. Signed-off-by: Vincent Batts <vbatts@redhat.com> Upstream-commit: 4ce24eb73af8f9e05d51c6c50a297d063eb641a1 Component: engine