typefind: Fix ico out-of-bound read
authorEdward Hervey <edward@centricular.com>
Thu, 7 Dec 2017 10:03:20 +0000 (11:03 +0100)
committerEdward Hervey <bilboed@bilboed.com>
Thu, 7 Dec 2017 10:04:50 +0000 (11:04 +0100)
commita3bf3094d17dded324c713d5d55968caa779a895
treed7eff6e9ed1a098cd70dbf26f24817b648d74eb8
parente1e46b674f87f481c01851bc3f83aafc7258a440
typefind: Fix ico out-of-bound read

The furthest we go to verify the data is reading a guint32 at offset
18, therefore make sure we can read as much.
gst/typefind/gsttypefindfunctions.c