Deleted unneeded test for NULL authdata

ChangeLog

 2014-04-16  Niels Möller  <nisse@lysator.liu.se>
 
+	* testsuite/ccm-test.c (test_cipher_ccm): Deleted check for NULL
+	authdata.
+
 	* sha3-224.c (sha3_224_init): Pass pointer to context struct, not
 	pointer to first element, to memset.
 	* sha3-256.c (sha3_256_init): Likewise.

testsuite/ccm-test.c

@@ -120,7 +120,6 @@ test_cipher_ccm(const struct nettle_cipher *cipher,
   ASSERT (cleartext->length <= ciphertext->length);
   ASSERT ((cleartext->length + CCM_BLOCK_SIZE) >= ciphertext->length);
   tlength = ciphertext->length - cleartext->length;
-  if (!authdata) repeat = 0;
 
   de_data = xalloc(cleartext->length);
   en_data = xalloc(ciphertext->length);