x11/cde-devel: Update to the latest cdesktopenv-code commit

Update to the latest cdedesktop-code commit proxied through my GH account.

This includes a fix to dtterm title and icon Sun esc seqs, where replies
with "%s" when given either "CSI 20 t" or "CSI 21 t". i.e.,

Example of wrong behaviour:
$ echo "^[[21t"
$ l%s

Example of correct behaviour:
$ echo "^[[21t"
$ lTerminal