some compilers don't like an array of length zero

nick: should we remove support for IVs for now, since we don't
use them and don't plan to use them?


svn:r1732

src/common/crypto.c

@@ -74,7 +74,8 @@ struct crypto_pk_env_t
 struct crypto_cipher_env_t
 {
   unsigned char key[CIPHER_KEY_LEN];
-  unsigned char iv[CIPHER_IV_LEN];
+  unsigned char iv[CIPHER_IV_LEN+1];
+    /* +1 because some compilers don't like a length of 0 */
   aes_cnt_cipher_t *cipher;
 };