Issue #65 (libatomic_ops).

* src/atomic_ops/sysdeps/sunc/sparc.S [!AO_NO_SPARC_V9]
(AO_fetch_compare_and_swap_full): Implement.
* src/atomic_ops/sysdeps/sunc/sparc.h [!AO_NO_SPARC_V9]
(AO_fetch_compare_and_swap_full): Declare extern function; remove TODO
item.
* src/atomic_ops/sysdeps/sunc/sparc.h [!AO_NO_SPARC_V9]
(AO_HAVE_fetch_compare_and_swap_full): Define macro.

• Commit 0f23c4d
• Compare d40ec29..0f23c4d
• Branch master

Ivan Maidanski