libbsd: bump to version 0.8.7

Change download site; the latest version is not on the official site.

Add license hash.

Cc: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libbsd/libbsd.hash

@@ -1,2 +1,3 @@
-# Locally calculated after checking pgp signature
-sha256	934b634f4dfd865b6482650b8f522c70ae65c463529de8be907b53c89c3a34a8	libbsd-0.8.3.tar.xz
+# From https://lists.freedesktop.org/archives/libbsd/2018-January/000166.html
+sha256	f548f10e5af5a08b1e22889ce84315b1ebe41505b015c9596bad03fd13a12b31	libbsd-0.8.7.tar.xz
+sha256	0b6cedd686394f9c811a6a9fd314d68ab4738475ad3d9df61154259fa649a2a7	COPYING

package/libbsd/libbsd.mk

@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-LIBBSD_VERSION = 0.8.3
+LIBBSD_VERSION = 0.8.7
 LIBBSD_SOURCE = libbsd-$(LIBBSD_VERSION).tar.xz
-LIBBSD_SITE = http://libbsd.freedesktop.org/releases
+LIBBSD_SITE = https://archive.hadrons.org/software/libbsd
 LIBBSD_LICENSE = BSD-3-Clause, MIT
 LIBBSD_LICENSE_FILES = COPYING
 LIBBSD_INSTALL_STAGING = YES