package/libupnp18: bump to version 1.8.6

This version fixes a runtime issue which crashes gerbera:
https://github.com/gerbera/gerbera/issues/522

The issue has been reported upstream:
https://github.com/mrjimenez/pupnp/pull/122

The fix for this issue is the only "useful" commit between 1.8.5 and
1.8.6:

$ git --no-pager log --format=oneline release-1.8.5..release-1.8.6
71a47673795e9228775959ea23a984ff6c4d0a43 (tag: release-1.8.6) Adjust the library numbers for release
436aae7b617a4cd7bc1e1411d6882780699eb2ee Put the 1.8.6 release on README.md
90069231d83d2f365b76e2b15d918dfb06209970 Update README.md
7d6158d2c88245f2da4354a8bd0bc359eb15fac6 Update Changelog and THANKS
463f1cc025b27af35b0b73a05ba379d0051bcedf Fix format string for ExtraHeaders
8516da470bf32fa1f5c6f59aac3508378d5a85be Homekeeping for the next release

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libupnp18/libupnp18.hash

@@ -1,5 +1,5 @@
-# From https://sourceforge.net/projects/pupnp/files/pupnp/libupnp-1.8.5/libupnp-1.8.5.tar.bz2.sha1
-sha1 4d687f8f7d6279fddc4c6faff7f5e3513e765d8a  libupnp-1.8.5.tar.bz2
+# From https://sourceforge.net/projects/pupnp/files/pupnp/libupnp-1.8.6/libupnp-1.8.6.tar.bz2.sha1
+sha1 6132a949d7536dac835172609d1def1e7f2bd232  libupnp-1.8.6.tar.bz2
 # Locally computed:
-sha256	55c4c30543b4cdaff3ed3a1c72bf118173369e9009eeed0bbd6e2ae62c6f0e93	libupnp-1.8.5.tar.bz2
+sha256	65faf240f8ccee50cc0e7fe7fb21dcd79f743fc227a9b652b091f50f6956c2c7	libupnp-1.8.6.tar.bz2
 sha256	c8b99423cad48bb44e2cf52a496361404290865eac259a82da6d1e4331ececb3	COPYING

package/libupnp18/libupnp18.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBUPNP18_VERSION = 1.8.5
+LIBUPNP18_VERSION = 1.8.6
 LIBUPNP18_SOURCE = libupnp-$(LIBUPNP18_VERSION).tar.bz2
 LIBUPNP18_SITE = http://downloads.sourceforge.net/project/pupnp/pupnp/libupnp-$(LIBUPNP18_VERSION)
 LIBUPNP18_CONF_ENV = ac_cv_lib_compat_ftime=no