archivers/qpress: Add <unistd.h> for modern compilers

Approved by:	portmgr (bapt, implicit)

archivers/qpress/Makefile

@@ -14,6 +14,7 @@ LICENSE=	GPLv2
 
 EXTRACT_AFTER_ARGS=	-d ${WRKSRC}
 USE_ZIP=	yes
+USE_DOS2UNIX=	yes
 
 NO_STAGE=	yes
 PLIST_FILES=	bin/qpress

archivers/qpress/files/patch-qpress.cpp

@@ -0,0 +1,10 @@
+--- qpress.cpp.orig	2013-11-02 00:43:30.451058000 +0000
++++ qpress.cpp
+@@ -88,6 +88,7 @@ and finally outputs an UPDIR:
+ 
+ #include <sys/stat.h>
+ #include <stdlib.h>
++#include <unistd.h>
+ #include <stdio.h>
+ #include "aio.hpp"
+ #include <stdarg.h>