added iter_traits_gen_test

[SVN r9489]

status/regression.cfg

@@ -53,6 +53,7 @@ run libs/utility/call_traits_test.cpp -u
 run libs/utility/compressed_pair_test.cpp -u
 run libs/utility/counting_iterator_test.cpp
 run libs/utility/iterator_adaptor_test.cpp
+run libs/utility/iter_traits_gen_test.cpp
 compile-fail libs/utility/iter_adaptor_fail_expected1.cpp
 compile-fail libs/utility/iter_adaptor_fail_expected2.cpp
 run libs/utility/iterator_traits_test.cpp