[gcc r11-10742] extend.texi: replace @itemx not preceded by @item.

[Arsen Arsenović]

https://gcc.gnu.org/g:d99a477150144f58199287938334fb7545acaed5

commit r11-10742-gd99a477150144f58199287938334fb7545acaed5
Author: Arsen Arsenović <arsen@aarsen.me>
Date:   Wed May 3 22:20:27 2023 +0200

    extend.texi: replace @itemx not preceded by @item.
    
    gcc/ChangeLog:
    
            * doc/extend.texi: Replace @itemx not being preceded by @item.

Diff:
---
 gcc/doc/extend.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index d6093397a61..64bd4c1cb6c 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -2487,7 +2487,7 @@ The following attributes are supported on most targets.
 @table @code
 @c Keep this table alphabetized by attribute name.  Treat _ as space.
 
-@itemx access (@var{access-mode}, @var{ref-index})
+@item access (@var{access-mode}, @var{ref-index})
 @itemx access (@var{access-mode}, @var{ref-index}, @var{size-index})
 
 The @code{access} attribute enables the detection of invalid or unsafe