nettle-benchmark: Fixed memset calls (amending 2014-02-06 change).

ChangeLog

+2014-08-23  Niels Möller  <nisse@lysator.liu.se>
+
+	* examples/nettle-benchmark.c (time_cipher): Fixed memset calls,
+	amending the totally broken change from 2014-02-06.
+
 2014-07-02  Niels Möller  <nisse@lysator.liu.se>
 
 	* eccdata.c (ecc_dup): Use mpz_submul_ui, now available in

examples/nettle-benchmark.c

@@ -524,7 +524,7 @@ time_cipher(const struct nettle_cipher *cipher)
 	info.block_size = cipher->block_size;
 	info.iv = iv;
     
-        memset(iv, 0, sizeof(cipher->block_size));
+        memset(iv, 0, cipher->block_size);
     
         cipher->set_encrypt_key(ctx, key);
 
@@ -540,7 +540,7 @@ time_cipher(const struct nettle_cipher *cipher)
 	info.block_size = cipher->block_size;
 	info.iv = iv;
     
-        memset(iv, 0, sizeof(cipher->block_size));
+        memset(iv, 0, cipher->block_size);
 
         cipher->set_decrypt_key(ctx, key);
 
@@ -557,7 +557,7 @@ time_cipher(const struct nettle_cipher *cipher)
 	info.block_size = cipher->block_size;
 	info.iv = iv;
     
-        memset(iv, 0, sizeof(cipher->block_size));
+        memset(iv, 0, cipher->block_size);
     
         cipher->set_encrypt_key(ctx, key);