Use ref-index instead of pos-index for access attribute consistently

Signed-off-by: Thomas Nyman <[email protected]>

Author: thomasnyman

docs/Compiler-Hardening-Guides/Compiler-Annotations-for-C-and-C++.md

@@ -34,7 +34,7 @@ Table 1: Recommended attributes
 | `ownership_takes(`_`allocation-type`_`,` _`ptr-index`_`)`                                  | Clang 20.1.0                | Function                     | Mark function as valid deallocator for _`allocation-type`_.                                       |
 | `ownership_holds(`_`allocation-type`_`,` _`ptr-index`_`)`                                  | Clang 20.1.0                | Function                     | Mark function taking responsibility of deallocation for _`allocation-type`_.                      |
 | `alloc_size(`_`size-index`_`)`<br/>`alloc_size(`_`size-index-1`_`,`_`size-index-2`_`)`     | GCC 2.95.3<br/>Clang 4.0.0  | Function                     | Mark positional arguments holding the allocation size that the returned pointer points to.        |
-| `access(`_`mode`_`,`_`ref-pos`_`)`<br/>`access(`_`mode`_`,` _`ref-pos`_`,` _`size-pos`_`)` | GCC 10.0.0                  | Function                     | Mark access restrictions for positional argument.                                                 |
+| `access(`_`mode`_`,`_`ref-index`_`)`<br/>`access(`_`mode`_`,` _`ref-index`_`,` _`size-pos`_`)` | GCC 10.0.0                  | Function                     | Mark access restrictions for positional argument.                                                 |
 | `fd_arg(`_`fd-index`_`)`                                                                   | GCC 13.1.0                  | Function                     | Mark open file descriptors in positional arguments.                                               |
 | `fd_arg_read(`_`fd-index`_`)`                                                              | GCC 13.1.0                  | Function                     | Mark readable file descriptors in positional arguments.                                           |
 | `fd_arg_write(`_`fd-index`_`)`                                                             | GCC 13.1.0                  | Function                     | Mark writable file descriptors in positional arguments.                                           |