MVK: update libvlc hash

buildMobileVLCKit.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 # Copyright (C) Pierre d'Herbemont, 2010
-# Copyright (C) Felix Paul Kühne, 2012-2016
+# Copyright (C) Felix Paul Kühne, 2012-2017
 
 set -e
 
@@ -21,7 +21,7 @@ OSVERSIONMINCFLAG=miphoneos-version-min
 OSVERSIONMINLDFLAG=ios_version_min
 ROOT_DIR=empty
 
-TESTEDHASH=46b6e7af
+TESTEDHASH=7e8b50a2
 
 CORE_COUNT=`sysctl -n machdep.cpu.core_count`
 let MAKE_JOBS=$CORE_COUNT+1