PATCH: minor corrections to gthr-dce.h

[law@redhat.com]

  In message < 200105160056.UAA04956@hiauly1.hia.nrc.ca >you write:
  > The following patch fixes a number of compilation warnings about unused
  > arguments and the missing declaration for pthread_key_delete under hpux 10.
  > 20.
  > 
  > I am not sufficiently versed in dce thread implementations to know whether
  > the library check is suitable for all systems to determine whether or not
  > pthread_key_delete is available.  I know it will work for hpux 10 and 11.
  > Possibly, a configure check is needed.
  > 
  > Testing is rather limited at the moment.  I know that libgcc builds ok and
  > that the UNUSED macro works with C++ code.
  > 
  > Dave
  > -- 
  > J. David Anglin                                  dave.anglin@nrc.ca
  > National Research Council of Canada              (613) 990-0752 (FAX: 952-6
  > 605)
  > 
  > 2001-05-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>
  > 
  > 	* gthr-dce.h (UNUSED): Attribute unused macro.
  > 	(__gthread_key_dtor): Make arguments UNUSED.
  > 	(__gthread_key_delete): Revise for compatibility with DRAFT4
  > 	implementation.
Based on your comments, this patch is not critical for the GCC 3 release,
correct?

If so, then go ahead and install it into the mainline sources.  If it is
critical for the GCC 3 release, then we'll need to review/test it in more
detail.


jeff