[gtk+] Drop the G_SEAL definition from gdkconfig.h

[Matthias Clasen <matthiasc src gnome org>]

commit 53b67b9a7209bf187c2609e15fcb4ee4ee127e53
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 5 19:00:14 2011 -0500

    Drop the G_SEAL definition from gdkconfig.h
    
    All sealed members removed. Yay!

 configure.ac                          |    9 ---------
 docs/reference/gtk/migrating-2to3.xml |    9 +++++----
 2 files changed, 5 insertions(+), 13 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ae75d1e..3124641 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1546,15 +1546,6 @@ AC_CONFIG_COMMANDS([gdk/gdkconfig.h], [
 
 G_BEGIN_DECLS
 
-#ifndef GSEAL
-/* introduce GSEAL() here for all of Gdk and Gtk+ without the need to modify GLib */
-#  ifdef GSEAL_ENABLE
-#    define GSEAL(ident)      _g_sealed__ ## ident
-#  else
-#    define GSEAL(ident)      ident
-#  endif
-#endif /* !GSEAL */
-
 _______EOF
 
 	cat >>$outfile <<_______EOF
diff --git a/docs/reference/gtk/migrating-2to3.xml b/docs/reference/gtk/migrating-2to3.xml
index a6f3ca8..70d9419 100644
--- a/docs/reference/gtk/migrating-2to3.xml
+++ b/docs/reference/gtk/migrating-2to3.xml
@@ -100,10 +100,11 @@
   </para>
   <para>
     To ensure that your application does not have problems with this, you
-    define the preprocessor symbol <literal>GSEAL_ENABLE</literal>. This
-    will make the compiler catch all uses of direct access to struct fields
-    so that you can go through them one by one and replace them with a call
-    to an accessor function instead.
+    define the preprocessor symbol <literal>GSEAL_ENABLE</literal> while
+    building your application against GTK+ 2.x. This will make the compiler
+    catch all uses of direct access to struct fields so that you can go
+    through them one by one and replace them with a call to an accessor
+    function instead.
     <programlisting>
     make CFLAGS+="-DGSEAL_ENABLE"
     </programlisting>