Add extra oss-fuzz test case images (#4)

* extra damaged images from oss-fuzz issues

Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>

* add damaged image files from fuzz test issues

Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>

* extra test cases from oss-fuzz runs

Signed-off-by: Peter Hillman <peterh@wetafx.co.nz>