$NetBSD$

Fix C++ headers.

--- common/video/iso-mpeg4/src/sys_encoder_mbenc.cpp~	2005-05-04 19:55:59.000000000 +0000
+++ common/video/iso-mpeg4/src/sys_encoder_mbenc.cpp
@@ -75,7 +75,7 @@
 
 #include <stdlib.h>
 #include <math.h>
-#include <iostream.h>
+#include <iostream>
 #include "typeapi.h"
 #include "codehead.h"
 #include "mode.hpp"
