RADIUS server: Copy IPv4 address only when IPv6 is not used

The local addr variable is valid only when !ipv6, so there is no point
in copying it for the IPv6 case.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/radius/radius_server.c

@@ -1371,8 +1371,8 @@ radius_server_read_clients(const char *client_file, int ipv6)
 			break;
 		}
 		entry->shared_secret_len = os_strlen(entry->shared_secret);
-		entry->addr.s_addr = addr.s_addr;
 		if (!ipv6) {
+			entry->addr.s_addr = addr.s_addr;
 			val = 0;
 			for (i = 0; i < mask; i++)
 				val |= 1 << (31 - i);