fips_enc.c: assign minimal block size to bad_cipher [to avoid arithmetic

exceptions in TLS layer].

fips/utl/fips_enc.c

@@ -102,7 +102,7 @@ static int bad_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
 static const EVP_CIPHER bad_cipher =
 	{
 	0,
-	0,
+	1,
 	0,
 	0,
 	0,