Fixed more warnings

modules/auth/ldap.c

@@ -105,7 +105,7 @@ static bool ldap_auth_user(myuser_t *mu, const char *password)
 	{
 		ldap_config_ready(NULL);
 	}
-	if ((ldap_conn == NULL))
+	if (ldap_conn == NULL)
 	{
 		slog(LG_INFO, "ldap_auth_user(): no connection");
 		return false;

modules/crypto/pbkdf2.c

@@ -110,7 +110,7 @@ static const char *pbkdf2_crypt(const char *key, const char *salt)
 
 	memcpy(outbuf, salt, SALTLEN);
 
-	res = PKCS5_PBKDF2_HMAC(key, strlen(key), salt, SALTLEN, ROUNDS, EVP_sha512(), SHA512_DIGEST_LENGTH, digestbuf);
+	res = PKCS5_PBKDF2_HMAC(key, strlen(key), (const unsigned char *)salt, SALTLEN, ROUNDS, EVP_sha512(), SHA512_DIGEST_LENGTH, digestbuf);
 
 	for (iter = 0; iter < SHA512_DIGEST_LENGTH; iter++)
 		sprintf(outbuf + SALTLEN + (iter * 2), "%02x", 255 & digestbuf[iter]);

modules/saslserv/ecdsa-nist256p-challenge.c

@@ -97,7 +97,7 @@ static int mech_step_accname(sasl_session_t *p, char *message, int len, char **o
 	if (md == NULL)
 		return ASASL_FAIL;
 
-	ret = base64_decode(md->value, pubkey_raw, BUFSIZE);
+	ret = base64_decode(md->value, (char *)pubkey_raw, BUFSIZE);
 	if (ret == -1)
 		return ASASL_FAIL;
 
@@ -122,7 +122,7 @@ static int mech_step_response(sasl_session_t *p, char *message, int len, char **
 {
 	ecdsa_session_t *s = p->mechdata;
 
-	if (!ECDSA_verify(0, s->challenge, CHALLENGE_LENGTH, message, len, s->pubkey))
+	if (!ECDSA_verify(0, s->challenge, CHALLENGE_LENGTH, (const unsigned char *)message, len, s->pubkey))
 		return ASASL_FAIL;
 
 	return ASASL_DONE;

src/ecdsakeygen/main.c

@@ -49,7 +49,7 @@ int main(int argc, const char **argv)
 	workbuf_p = workbuf;
 	i2o_ECPublicKey(prv, &workbuf_p);
 	workbuf_p = workbuf;
-	base64_encode(workbuf_p, len, encbuf, BUFSIZE);
+	base64_encode((const char *)workbuf_p, len, encbuf, BUFSIZE);
 
 	printf("Keypair:\n");
 	EC_KEY_print_fp(stdout, prv, 4);