Eliminate NOP cast

Reviewed-by: Richard Levitte <levitte@openssl.org>

test/ideatest.c

diff --git a/test/ideatest.c b/test/ideatest.c
index 947ab84..e572984 100644
--- a/test/ideatest.c
+++ b/test/ideatest.c
@@ -25,7 +25,7 @@
 
 static unsigned char out[80];
 
-static const char text[] = "Hello to all people out there";
+static const unsigned char text[] = "Hello to all people out there";
 
 static const unsigned char cfb_key[16] = {
     0xe1, 0xf0, 0xc3, 0xd2, 0xa5, 0xb4, 0x87, 0x96,
@@ -74,7 +74,7 @@
     IDEA_set_encrypt_key(k, &key);
     IDEA_set_decrypt_key(&key, &dkey);
     memcpy(iv, k, sizeof(iv));
-    IDEA_cbc_encrypt((const unsigned char *)text, out, text_len, &key, iv, 1);
+    IDEA_cbc_encrypt(text, out, text_len, &key, iv, 1);
     memcpy(iv, k, sizeof(iv));
     IDEA_cbc_encrypt(out, out, IDEA_BLOCK, &dkey, iv, 0);
     IDEA_cbc_encrypt(&out[8], &out[8], text_len - 8, &dkey, iv, 0);