Remove hard coded clock id.

From-SVN: r181662

gcc/ada/s-osinte-hpux-dce.ads

@@ -7,7 +7,7 @@
 --                                  S p e c                                 --
 --                                                                          --
 --             Copyright (C) 1991-1994, Florida State University            --
---          Copyright (C) 1995-2009, Free Software Foundation, Inc.         --
+--          Copyright (C) 1995-2011, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNARL is free software; you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -193,9 +193,7 @@ package System.OS_Interface is
    function nanosleep (rqtp, rmtp : access timespec) return int;
    pragma Import (C, nanosleep);
 
-   type clockid_t is private;
-
-   CLOCK_REALTIME : constant clockid_t;
+   type clockid_t is new int;
 
    function Clock_Gettime
      (Clock_Id : clockid_t; Tp : access timespec) return int;