-void remove_unused_warning()
-{
- //../../../boost/system/error_code.hpp:214:36: warning: Ôboost::system::posix_categoryÕ defined but not used [-Wunused-variable]
- //../../../boost/system/error_code.hpp:215:36: warning: Ôboost::system::errno_ecatÕ defined but not used [-Wunused-variable]
- //../../../boost/system/error_code.hpp:216:36: warning: Ôboost::system::native_ecatÕ defined but not used [-Wunused-variable]