vlc: security bump to version 2.1.4

vlc: security bump to version 2.1.4

Fixes CVE-2014-1684: The ASF_ReadObject_file_properties function in
modules/demux/asf/libasf.c in the ASF Demuxer in VideoLAN VLC Media
Player before 2.1.3 allows remote attackers to cause a denial of service
(divide-by-zero error and crash) via a zero minimum and maximum data
packet size in an ASF file.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>