liburcu: Update to 0.8.6

Signed-off-by: Christoph Koenig <christoph.koenig@gmail.com>

libs/liburcu/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=liburcu
-PKG_VERSION:=0.8.4
+PKG_VERSION:=0.8.6
 PKG_RELEASE:=1
 
 PKG_SOURCE:=userspace-rcu-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_SUBDIR:=userspace-rcu-$(PKG_VERSION)
 PKG_SOURCE_URL:=https://lttng.org/files/urcu/
-PKG_MD5SUM:=2ca6671b20a550aa0e8020a1a9a96fd4
+PKG_MD5SUM:=834d91d939dd55108a05763be9879856
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/userspace-rcu-$(PKG_VERSION)
 PKG_BUILD_PARALLEL:=1