[committed][DOC PATCH] Fix typo in example (PR c/35449)

[Marek Polacek]

I'm applying this as obvious.

2014-03-25  Marek Polacek  <pola...@redhat.com>

        PR c/35449
        * doc/extend.texi (Example of asm with clobbered asm reg): Fix typo.

diff --git gcc/doc/extend.texi gcc/doc/extend.texi
index 986cc94..c0da713 100644
--- gcc/doc/extend.texi
+++ gcc/doc/extend.texi
@@ -6343,7 +6343,7 @@ int foo ()
   int *y = &x;
   int result;
   asm ("magic stuff accessing an 'int' pointed to by '%1'"
-       : "=&d" (r) : "a" (y), "m" (*y));
+       : "=&d" (result) : "a" (y), "m" (*y));
   return result;
 @}
 @end smallexample

        Marek