housekeeping: fix list iteration and memleak in ldsm-dialog#431

mtwebster merged 1 commit intolinuxmint:masterlinuxmint/cinnamon-settings-daemon:masterfrom

okaestne:fix/housekeeping-ldsm-dialogokaestne/cinnamon-settings-daemon:fix/housekeeping-ldsm-dialogCopy head branch name to clipboard