package/docker-containerd: bump to latest

Bump the pinned docker-containerd version to the latest in advance
of the introduction of docker-engine v1.12.0-rc4.

Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/docker-containerd/docker-containerd.hash

@@ -1,2 +1,2 @@
 # Computed locally
-sha256 bdfa54c94f3de901a7983dc0bc924dd2268e9a5f5fe920d27bfdafad60958522  docker-containerd-1b3a81545ca79456086dc2aa424357be98b962ee.tar.gz
+sha256 5c1bcd8e3b7bc6034e7523b6eca7de974562b7fdc72c440494234ae10a0e545b  docker-containerd-0ac3cd1be170d180b2baed755e8f0da547ceb267.tar.gz

package/docker-containerd/docker-containerd.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DOCKER_CONTAINERD_VERSION = 1b3a81545ca79456086dc2aa424357be98b962ee
+DOCKER_CONTAINERD_VERSION = 0ac3cd1be170d180b2baed755e8f0da547ceb267
 DOCKER_CONTAINERD_SITE = $(call github,docker,containerd,$(DOCKER_CONTAINERD_VERSION))
 DOCKER_CONTAINERD_LICENSE = Apache-2.0
 DOCKER_CONTAINERD_LICENSE_FILES = LICENSE.code