libupnp18: bump to version 1.8.4

Replace LICENSE by COPYING, see:
https://github.com/mrjimenez/pupnp/commit/d3a04002e5e5220f88b43d979505bb3156532e83

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libupnp18/libupnp18.hash

@@ -1,5 +1,5 @@
-# From https://sourceforge.net/projects/pupnp/files/pupnp/libUPnP%201.8.3/libupnp-1.8.3.tar.bz2.sha1
-sha1 e7c28c24905ae972ff3277a7bdaa9b839f6c66b9  libupnp-1.8.3.tar.bz2
+# From https://sourceforge.net/projects/pupnp/files/pupnp/libupnp-1.8.4/libupnp-1.8.4.tar.bz2.sha1
+sha1 93e7b3c94cf53eb59533b4b7b137ef5cc651e28b  libupnp-1.8.4.tar.bz2
 # Locally computed:
-sha256	9afa0b09faa9ebd9e8a6425ddbfe8d1d856544c49b1f86fde221219e569a308d	libupnp-1.8.3.tar.bz2
-sha256	0375955c8a79d6e8fa0792d45d00fc4e7710d7ac95bcbd27f9225a83f5c946fd	LICENSE
+sha256	188d3f786d92fe14191f17634d2d87847eee7d2b568a5257ea23262fec9973d6	libupnp-1.8.4.tar.bz2
+sha256	c8b99423cad48bb44e2cf52a496361404290865eac259a82da6d1e4331ececb3	COPYING

package/libupnp18/libupnp18.mk

@@ -4,13 +4,13 @@
 #
 ################################################################################
 
-LIBUPNP18_VERSION = 1.8.3
+LIBUPNP18_VERSION = 1.8.4
 LIBUPNP18_SOURCE = libupnp-$(LIBUPNP18_VERSION).tar.bz2
-LIBUPNP18_SITE = http://downloads.sourceforge.net/project/pupnp/pupnp/libUPnP%20$(LIBUPNP18_VERSION)
+LIBUPNP18_SITE = http://downloads.sourceforge.net/project/pupnp/pupnp/libupnp-$(LIBUPNP18_VERSION)
 LIBUPNP18_CONF_ENV = ac_cv_lib_compat_ftime=no
 LIBUPNP18_INSTALL_STAGING = YES
 LIBUPNP18_LICENSE = BSD-3-Clause
-LIBUPNP18_LICENSE_FILES = LICENSE
+LIBUPNP18_LICENSE_FILES = COPYING
 
 ifeq ($(BR2_PACKAGE_OPENSSL),y)
 LIBUPNP18_CONF_OPTS += --enable-open-ssl