convert to modearn C++ style

* include iostream instead deprecated iostream.h
* using namespace std;

fixes PR#45159.

ham/locator/distinfo

@@ -1,6 +1,7 @@
-$NetBSD: distinfo,v 1.4 2005/02/22 21:06:06 agc Exp $
+$NetBSD: distinfo,v 1.5 2011/07/20 12:23:01 obache Exp $
 
 SHA1 (locator-0.1.tar.gz) = a7c6efe6b10df583b473e673f9332c1ddfd424ea
 RMD160 (locator-0.1.tar.gz) = 5d50e54318d88437fbfd76c51fa5b5052cf732d7
 Size (locator-0.1.tar.gz) = 2555 bytes
 SHA1 (patch-aa) = 810c0ec364beeb0d399907fbfdf8f887b091bf6c
+SHA1 (patch-locator.cc) = 7a758876c9771a094002cc26ea2d6e67d058a0a5

ham/locator/patches/patch-locator.cc

@@ -0,0 +1,20 @@
+$NetBSD: patch-locator.cc,v 1.1 2011/07/20 12:23:01 obache Exp $
+
+* modern C++ style
+
+--- locator.cc.orig	2001-07-29 11:33:02.000000000 +0000
++++ locator.cc
+@@ -3,10 +3,12 @@
+ /* Last change 29.07.2001  */
+ 
+ /* A few includes */
+-#include <iostream.h>
++#include <iostream>
+ #include <string.h>
+ #include <stdio.h>
+ 
++using namespace std;
++
+ /* A few definitions */
+ #define VERSION "0.1"
+