gst1-plugins-ugly: security bump to version 1.10.4

Fixes:
CVE-2017-5847 - The gst_asf_demux_process_ext_content_desc function in
gst/asfdemux/gstasfdemux.c in gst-plugins-ugly in GStreamer allows remote
attackers to cause a denial of service (out-of-bounds heap read) via vectors
involving extended content descriptors.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>