Add Camellia-GCM test vectors

https://tools.ietf.org/html/draft-kato-ipsec-camellia-gcm-03#section-4
diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index 7466b95..18fc6a2 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -1149,6 +1149,7 @@
 #if defined(POLARSSL_CAMELLIA_C)
     { POLARSSL_CIPHER_CAMELLIA_128_ECB,     &camellia_128_ecb_info },
     { POLARSSL_CIPHER_CAMELLIA_192_ECB,     &camellia_192_ecb_info },
+    { POLARSSL_CIPHER_CAMELLIA_256_ECB,     &camellia_256_ecb_info },
 #if defined(POLARSSL_CIPHER_MODE_CBC)
     { POLARSSL_CIPHER_CAMELLIA_128_CBC,     &camellia_128_cbc_info },
     { POLARSSL_CIPHER_CAMELLIA_192_CBC,     &camellia_192_cbc_info },