Make usable on 6.x and up. The FreeBSD defines valloc(3) in the

unistd.h, so that we need to include it in order to compile with
mpatrol.

devel/mpatrol/Makefile

@@ -6,7 +6,7 @@
 
 PORTNAME=	mpatrol
 PORTVERSION=	1.4.8
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	devel
 MASTER_SITES=	http://www.cbmamiga.demon.co.uk/mpatrol/files/
 DISTNAME=	${PORTNAME}_${PORTVERSION}

devel/mpatrol/files/patch-..::..::src::mpatrol.h

@@ -0,0 +1,13 @@
+
+$FreeBSD$
+
+--- ../../src/mpatrol.h
++++ ../../src/mpatrol.h
+@@ -32,6 +32,7 @@
+ #include <stdlib.h>
+ #include <string.h>
+ #include <stdarg.h>
++#include <unistd.h>
+ #if !MP_NOCPLUSPLUS
+ #ifdef __cplusplus
+ #include <new>