More auto delete tweaks.

update_apt-panopticon

@@ -37,7 +37,8 @@ find results_* -maxdepth 2 ! -name "pkgmaster.devuan.org" -name "*.*" -type d -p
 if [ "z" != "z${KEEPDAYS}" ] ; then
     # Remove old results.
     find . -daystart -maxdepth 2 -name "stamp"            -type f ! -mtime $((0 - ${KEEPDAYS})) -printf "%h\0" | xargs -0rt /bin/rm -fr
-    find . -daystart -maxdepth 2 -name "results_*.tar.xz" -type f ! -mtime $((0 - ${KEEPDAYS})) -print0        | xargs -0rt /bin/rm -fr
+    find . -daystart -maxdepth 2 -name "results_*.tar.xz" -type f ! -mtime $((0 - ${KEEPDAYS})) -print0        | xargs -0rt /bin/rm -f
+    find .           -maxdepth 1 -name "results_*"        -type d -empty -print0                               | xargs -0rt /bin/rm -fr
 fi
 
 rm ../results; ln -s apt-panopticon/results_old ../results