`len_type' of a sequence field must be of type unsigned integer. Some
provided examples in the man page were incorrectly using a type signed
integer, resulting in correct compilation, but error while decoding.
Change-Id: Icc685b330d0704660b36f703075f453d71c5e4cb Signed-off-by: Olivier Dion <odion@efficios.com> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>