freebsd-ports/devel/bisoncpp/files/patch-block__block.ih

--- ./block/block.ih.orig	2013-06-23 20:13:49.000000000 +0200
+++ ./block/block.ih	2013-11-27 18:54:50.000000000 +0100
@@ -5,6 +5,8 @@
 #include <iterator>
 #include <limits>
 
-using namespace std;
+#include <bobcat/a2x>
 
+using namespace std;
+using namespace FBB;