textproc/ctpp2: do not use one of the obsolete C++ features

Deriving from the `std::binary_function' base class template
was never really needed (it's just some seldom used typedefs)
and it had been deprecated since C++11 to be finally removed
in C++17.

textproc/ctpp2/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	ctpp2
 PORTVERSION=	2.8.3
-PORTREVISION=	9
+PORTREVISION=	10
 CATEGORIES=	textproc devel
 MASTER_SITES=	http://ctpp.havoc.ru/download/
 

textproc/ctpp2/files/patch-include_CTPP2SyscallFactory.hpp

@@ -0,0 +1,12 @@
+--- include/CTPP2SyscallFactory.hpp.orig	2012-08-02 07:22:44 UTC
++++ include/CTPP2SyscallFactory.hpp
+@@ -104,8 +104,7 @@ class CTPP2DECL SyscallFactory (private)
+ 	  @struct HandlerRefsSort SyscallFactory.hpp <SyscallFactory.hpp>
+ 	  @brief Case-insensitive sorting functor
+ 	*/
+-	struct HandlerRefsSort:
+-	  public STLW::binary_function<STLW::string, STLW::string, bool>
++	struct HandlerRefsSort
+ 	{
+ 		/**
+ 		  @brief comparison operator