[glib] docs: Rename a parameter in a GObject how-to example

[Philip Withnall <pwithnall src gnome org>]

commit 01962b4dd1f3ef15e1412a2d1e21ce8e6e68bd1d
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Fri Feb 20 13:15:15 2015 +0000

    docs: Rename a parameter in a GObject how-to example
    
    Make it obvious the parameter is not related to AClass.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744060

 docs/reference/gobject/tut_howto.xml |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/docs/reference/gobject/tut_howto.xml b/docs/reference/gobject/tut_howto.xml
index 15cdba2..f93febd 100644
--- a/docs/reference/gobject/tut_howto.xml
+++ b/docs/reference/gobject/tut_howto.xml
@@ -781,7 +781,7 @@ maman_bar_subtype_class_init (MamanBarSubTypeClass *klass)
       family of macros, for instance:
 <informalexample><programlisting>
 static void
-b_method_to_call (B *obj, int a)
+b_method_to_call (B *obj, gint some_param)
 {
   /* do stuff before chain up */
 
@@ -790,7 +790,7 @@ b_method_to_call (B *obj, int a)
    *
    * remember the explicit cast to AClass*
    */
-  A_CLASS (b_parent_class)->method_to_call (obj, a);
+  A_CLASS (b_parent_class)->method_to_call (obj, some_param);
 
   /* do stuff after chain up */
 }