(Defining Variables): Use @findex for functions.

doc/lispref/ChangeLog

@@ -2,6 +2,7 @@
 
 	* variables.texi (Defining Variables): Add an index entry for
 	`set-variable' (bug#7262).
+	(Defining Variables): Use @findex for functions.
 
 	* frames.texi (Basic Parameters): Document the `explicit-name'
 	parameter (bug#6951).

doc/lispref/variables.texi

@@ -584,7 +584,7 @@ is a user option.  Aliases of user options are also user options.
 @end defun
 
 @kindex variable-interactive
-@kindex set-variable
+@findex set-variable
   If a user option variable has a @code{variable-interactive} property,
 the @code{set-variable} command uses that value to control reading the
 new value for the variable.  The property's value is used as if it were