package/gupnp: security bump to version 1.2.3

It includes the following commits:
https://github.com/GNOME/gupnp/commit/66a73e96f5a733a149803a985686a4e4e196f90b
https://github.com/GNOME/gupnp/commit/f943904e2d7f21601337b90058faf74b49c02796
which mitigate CVE-2020-12695

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/gupnp/gupnp.hash

@@ -1,5 +1,5 @@
-# Hash from: http://ftp.gnome.org/pub/gnome/sources/gupnp/1.2/gupnp-1.2.2.sha256sum:
-sha256  9a80bd953e5c8772ad26b72f8da01cbe7241a113edd6084903f413ce751c9989  gupnp-1.2.2.tar.xz
+# Hash from: http://ftp.gnome.org/pub/gnome/sources/gupnp/1.2/gupnp-1.2.3.sha256sum:
+sha256  d447e54d88e4a8fab84ad1766070e9208e21166fc7e2ce95df6e33e49e8d29b1  gupnp-1.2.3.tar.xz
 
 # Hash for license file:
 sha256  d245807f90032872d1438d741ed21e2490e1175dc8aa3afa5ddb6c8e529b58e5  COPYING

package/gupnp/gupnp.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 GUPNP_VERSION_MAJOR = 1.2
-GUPNP_VERSION = $(GUPNP_VERSION_MAJOR).2
+GUPNP_VERSION = $(GUPNP_VERSION_MAJOR).3
 GUPNP_SOURCE = gupnp-$(GUPNP_VERSION).tar.xz
 GUPNP_SITE = http://ftp.gnome.org/pub/gnome/sources/gupnp/$(GUPNP_VERSION_MAJOR)
 GUPNP_LICENSE = LGPL-2.0+