Check that elt_size*newsize doesn't overflow when expanding a GstQueueArray, which has the potential for a heap overwrite. Co-authored-by: Sebastian Dröge <sebastian@centricular.com> Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1232 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2606>