fix for tgz without starting ./ in filelisting

bin/preinstall_cleanup.sh

@@ -79,7 +79,8 @@
         echo
 
         echo --- scanning archive $tgz
-        tar -tzf $tgz | sed 's#/$##g' | sort >$filetgz
+        # tar -tzf $tgz | sed 's#/$##g' | sort >$filetgz
+        tar -tzf $tgz | sed 's#/$##g' | sed "s#^#./#g" | sed "s#^\./\./#./#g" | sort >$filetgz
         ls -l $filetgz
         wc -l $filetgz
         head $filetgz