add missing includes for ports-gcc

sysutils/colortail/Makefile

@@ -1,10 +1,10 @@
-# $OpenBSD: Makefile,v 1.17 2018/10/24 14:28:10 sthen Exp $
+# $OpenBSD: Makefile,v 1.18 2018/12/01 00:15:36 naddy Exp $
 
 COMMENT=		color-able replacement for tail(1)
 
 DISTNAME=		colortail-0.3.0
 CATEGORIES=		sysutils
-REVISION =		4
+REVISION =		5
 
 MASTER_SITES=		http://keyserver.kjsl.com/~jharris/distfiles/
 MAINTAINER=		Robert Nagy <robert@openbsd.org>

sysutils/colortail/patches/patch-Colorizer_cc

@@ -1,11 +1,13 @@
-$OpenBSD: patch-Colorizer_cc,v 1.3 2017/04/23 22:18:32 sthen Exp $
---- Colorizer.cc.orig	Tue Aug  3 20:41:17 1999
-+++ Colorizer.cc	Sun Apr 23 23:13:01 2017
-@@ -23,8 +23,9 @@
+$OpenBSD: patch-Colorizer_cc,v 1.4 2018/12/01 00:15:36 naddy Exp $
+Index: Colorizer.cc
+--- Colorizer.cc.orig
++++ Colorizer.cc
+@@ -23,8 +23,10 @@
  
  #include <assert.h>
  #include <stdio.h>
 -#include <strstream.h>
++#include <string.h>
 +#include <strstream>
  
 +using namespace std;

sysutils/colortail/patches/patch-main_cc

@@ -0,0 +1,13 @@
+$OpenBSD: patch-main_cc,v 1.1 2018/12/01 00:15:36 naddy Exp $
+
+Index: main.cc
+--- main.cc.orig
++++ main.cc
+@@ -18,6 +18,7 @@
+ */
+ 
+ #include <stdio.h>
++#include <stdlib.h>
+ #include <signal.h>
+ 
+ #include "main.h"