libvpx: avoid CVE-2015-1258

[1] https://security-tracker.debian.org/tracker/CVE-2015-1258
[2] http://pkgs.fedoraproject.org/cgit/libvpx.git/commit/?id=4257ff5f4ac22a3fe7b34f441e6425b2a8b690ae

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-multimedia/webm/libvpx_1.4.0.bb

@@ -37,6 +37,7 @@ CONFIGUREOPTS = " \
     --enable-shared \
     --prefix=${prefix} \
     --libdir=${libdir} \
+    --size-limit=16384x16384 \
 "
 
 do_configure() {