- (djm) Make sure rijndael.c picks config.h
 - (djm) Ensure that u_char gets defined
diff --git a/rijndael.c b/rijndael.c
index 1478c12..f28a9c6 100644
--- a/rijndael.c
+++ b/rijndael.c
@@ -25,6 +25,8 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#include "config.h"
+
 #include <stdlib.h>
 #include <string.h>