Functions redeclared inline after been called

[viboes]

THe following warnings appear with intel-12.1.3 compiler

../../../boost/system/error_code.hpp(489): remark #522: function "boost::system::error_category::default_error_condition" redeclared "inline" after being called
      inline error_condition error_category::default_error_condition( int ev ) const
                                             ^

../../../boost/system/error_code.hpp(494): remark #522: function "boost::system::error_category::equivalent(int, const boost::system::error_condition &) const" redeclared "inline" after being called
      inline bool error_category::equivalent( int code,
                                  ^

../../../boost/system/error_code.hpp(500): remark #522: function "boost::system::error_category::equivalent(const boost::system::error_code &, int) const" redeclared "inline" after being called
      inline bool error_category::equivalent( const error_code & code,
                                  ^

See the attached patch that solves the issue.