Unittests: make them compile again in builds with regular boost.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@799 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/BoostWorkaround/boost/format.hpp

@@ -9,7 +9,7 @@
 #ifndef AI_BOOST_FORMAT_DUMMY_INCLUDED
 #define AI_BOOST_FORMAT_DUMMY_INCLUDED
 
-#ifndef BOOST_FORMAT_HPP
+#if (!defined BOOST_FORMAT_HPP) || (defined ASSIMP_FORCE_NOBOOST)
 
 #include <string>
 #include <vector>

test/unit/utNoBoostTest.h

@@ -3,6 +3,7 @@
 
 namespace noboost {
 
+#define ASSIMP_FORCE_NOBOOST
 #include "..\..\code\BoostWorkaround\boost\format.hpp"
 	using boost::format;
 	using boost::str;