libupnp: bump to version 1.6.24

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libupnp/libupnp.hash

@@ -1,2 +1,2 @@
 # Locally computed:
-sha256	0bdfacb7fa8d99b78343b550800ff193264f92c66ef67852f87f042fd1a1ebbc	libupnp-1.6.22.tar.bz2
+sha256	7d83d79af3bb4062e5c3a58bf2e90d2da5b8b99e2b2d57c23b5b6f766288cf96	libupnp-1.6.24.tar.bz2

package/libupnp/libupnp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBUPNP_VERSION = 1.6.22
+LIBUPNP_VERSION = 1.6.24
 LIBUPNP_SOURCE = libupnp-$(LIBUPNP_VERSION).tar.bz2
 LIBUPNP_SITE = http://downloads.sourceforge.net/project/pupnp/pupnp/libUPnP%20$(LIBUPNP_VERSION)
 LIBUPNP_CONF_ENV = ac_cv_lib_compat_ftime=no