le-autoupgrade: postrm: Do not remove original file after removing divert

Signed-off-by: Diego Giovane Pasqualin <dpasqualin@c3sl.ufpr.br>

le-autoupgrade/package/DEBIAN/control

 Package: le-autoupgrade
 Priority: important
 Section: main
-Version: 0.0.8
+Version: 0.0.9
 Architecture: all
 Depends: cron | anacron, apt, debianutils, wget
 Maintainer: LE Maintainer <le-maintainer@c3sl.ufpr.br>

le-autoupgrade/package/DEBIAN/postrm

@@ -32,8 +32,7 @@ divertList="
 # Divert files
 if [[ "$1" != "upgrade" ]]; then
     for file in $divertList; do
-        if test -e $file.real; then
-            rm -f $file
+        if test -e ${file}.real; then
             dpkg-divert --package le-autoupgrade --remove --rename \
                         --divert $file{.real,}
         fi