opus: security bump to 1.1.4

Fixes CVE-2017-0381: A remote code execution vulnerability in
silk/NLSF_stabilize.c in libopus in Mediaserver could enable an attacker
using a specially crafted file to cause memory corruption during media file
and data processing.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/opus/opus.hash

@@ -1,2 +1,2 @@
 # From http://downloads.xiph.org/releases/opus/SHA256SUMS.txt
-sha256	58b6fe802e7e30182e95d0cde890c0ace40b6f125cffc50635f0ad2eef69b633	opus-1.1.3.tar.gz
+sha256	9122b6b380081dd2665189f97bfd777f04f92dc3ab6698eea1dbb27ad59d8692	opus-1.1.4.tar.gz

package/opus/opus.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-OPUS_VERSION = 1.1.3
+OPUS_VERSION = 1.1.4
 OPUS_SITE = http://downloads.xiph.org/releases/opus
 OPUS_LICENSE = BSD-3c
 OPUS_LICENSE_FILES = COPYING