Suppressing warnings. Please report any problems (may have broken something!)

[SVN r58072]

test/1-throw_exception_test.cpp

@@ -6,6 +6,11 @@
 #include <boost/throw_exception.hpp>
 #include <boost/detail/lightweight_test.hpp>
 
+#include <boost/config.hpp>
+#ifdef BOOST_MSVC 
+#pragma warning(disable:4702) //unreachable code
+#endif 
+
 class my_exception: public std::exception { };
 
 int