Fix build with newer GCC

games/grhino/distinfo

@@ -1,6 +1,12 @@
-$NetBSD: distinfo,v 1.12 2008/04/27 06:36:02 wiz Exp $
+$NetBSD: distinfo,v 1.13 2011/11/24 14:08:05 joerg Exp $
 
 SHA1 (grhino-0.16.0.tar.gz) = ca76895fc2370995e4942aec98e4359ce5549925
 RMD160 (grhino-0.16.0.tar.gz) = f91415e5263eec3837a2a0cb06b610f0ba64668f
 Size (grhino-0.16.0.tar.gz) = 1172321 bytes
 SHA1 (patch-aa) = 762ad3cffe3ab40a070cdf89f06d5b302a963965
+SHA1 (patch-aiai.cc) = 01c99b4d16c9ead4a0c95c8e91a8111c59f9446d
+SHA1 (patch-book.cc) = a120f2c718c85666dfe6acd76bb3b49a8e5863fa
+SHA1 (patch-game.cc) = d6c0a2036653d1920f4b0ea9f770c00fd1718ada
+SHA1 (patch-gen__book.cc) = 9cefade318b76df658d0d5959cc6378f5275a971
+SHA1 (patch-gen__pattern.cc) = 90ef9ca71921e0a1bd86dcb5aacdad7a4d0aa360
+SHA1 (patch-log__proc.h) = 058fc9c9052a5126c0de137ad0087c667bb663c4

games/grhino/patches/patch-aiai.cc

@@ -0,0 +1,12 @@
+$NetBSD: patch-aiai.cc,v 1.1 2011/11/24 14:08:05 joerg Exp $
+
+--- aiai.cc.orig	2011-11-24 01:17:40.000000000 +0000
++++ aiai.cc
+@@ -29,6 +29,7 @@
+ #include <sys/wait.h>
+ #include <unistd.h>
+ #include <string.h>
++#include <stdlib.h>
+ 
+ #include <exception>
+ #include <stdexcept>

games/grhino/patches/patch-book.cc

@@ -0,0 +1,12 @@
+$NetBSD: patch-book.cc,v 1.1 2011/11/24 14:08:05 joerg Exp $
+
+--- book.cc.orig	2011-11-24 01:11:40.000000000 +0000
++++ book.cc
+@@ -25,6 +25,7 @@
+ #include "rand.h"
+ #include "gtstream.h"
+ 
++#include <cstdlib>
+ #include <vector>
+ #include <iostream>
+ #include <stdexcept>

games/grhino/patches/patch-game.cc

@@ -0,0 +1,12 @@
+$NetBSD: patch-game.cc,v 1.1 2011/11/24 14:08:05 joerg Exp $
+
+--- game.cc.orig	2011-11-24 01:12:02.000000000 +0000
++++ game.cc
+@@ -37,6 +37,7 @@
+ #include <sys/stat.h> 
+ #include <unistd.h>
+ #include <fcntl.h>
++#include <stdlib.h>
+ 
+ #ifdef _
+ #  undef _

games/grhino/patches/patch-gen__book.cc

@@ -0,0 +1,12 @@
+$NetBSD: patch-gen__book.cc,v 1.1 2011/11/24 14:08:05 joerg Exp $
+
+--- gen_book.cc.orig	2011-11-24 01:15:36.000000000 +0000
++++ gen_book.cc
+@@ -20,6 +20,7 @@
+ 
+ #include "config.h"
+ 
++#include <cstring>
+ #include <fstream>
+ #include <sstream>
+ 

games/grhino/patches/patch-gen__pattern.cc

@@ -0,0 +1,12 @@
+$NetBSD: patch-gen__pattern.cc,v 1.1 2011/11/24 14:08:05 joerg Exp $
+
+--- gen_pattern.cc.orig	2011-11-24 01:16:59.000000000 +0000
++++ gen_pattern.cc
+@@ -23,6 +23,7 @@
+ #include <fstream>
+ #include <sstream>
+ 
++#include <string.h>
+ #include <math.h>
+ #include <unistd.h>
+ #include <fcntl.h>

games/grhino/patches/patch-log__proc.h

@@ -0,0 +1,12 @@
+$NetBSD: patch-log__proc.h,v 1.1 2011/11/24 14:08:05 joerg Exp $
+
+--- log_proc.h.orig	2011-11-24 01:12:41.000000000 +0000
++++ log_proc.h
+@@ -25,6 +25,7 @@
+ #include <string>
+ #include <fstream>
+ #include <iomanip>
++#include <cstdlib>
+ 
+ #include "board.h"
+ #include "order.h"