lw_mutex_test added.

[SVN r27931]

test/Jamfile.v2

@@ -21,6 +21,7 @@ import testing ;
           [ run get_deleter_test.cpp ]
           [ run intrusive_ptr_test.cpp ]
           [ run atomic_count_test.cpp ]
+          [ run lw_mutex_test.cpp ]
           [ compile-fail shared_ptr_assign_fail.cpp ]
           [ compile-fail shared_ptr_delete_fail.cpp ]
         ;