Invert garbage list for better performance: New elements get appended at the end, cleanup is done from the beginning so that we only iterate over the items that need cleanup. Tryfix for list_smargo util.

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@8064 4b0bc96b-bc66-0410-9d44-ebda105a78c1
freebsd