package/upmpdcli: bump to version 1.4.0
upmpdcli switched license from GPL-2.0+ to LGPL-2.1+, therefore update
the hash file for the license file "COPYING".
Note, that upmpdcli depends on libupnpp 0.17.0.
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>