[gtkmm] Use GDK_KEY_VoidSymbol instead of GDK_VoidSymbol to fix the build.

[Murray Cumming <murrayc src gnome org>]

commit 9a1dc9956e39c8a88121a2419a0e9cc626517944
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Sep 9 22:12:50 2010 +0200

    Use GDK_KEY_VoidSymbol instead of GDK_VoidSymbol to fix the build.
    
    * gtk/gtkmm/accelkey.cc:
    * gtk/gtkmm/accelmap.cc: Replace use of GDK_VoidSymbol with
    GDK_KEY_VoidSymbol, because it has changed in GTK+.

 ChangeLog             |    8 ++++++++
 gtk/gtkmm/accelkey.cc |    4 ++--
 gtk/gtkmm/accelmap.cc |    4 ++--
 3 files changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 238744e..a9034ab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2010-09-09  Murray Cumming  <murrayc murrayc com>
 
+	Use GDK_KEY_VoidSymbol instead of GDK_VoidSymbol to fix the build. 
+
+	* gtk/gtkmm/accelkey.cc:
+	* gtk/gtkmm/accelmap.cc: Replace use of GDK_VoidSymbol with 
+	GDK_KEY_VoidSymbol, because it has changed in GTK+.
+
+2010-09-09  Murray Cumming  <murrayc murrayc com>
+
 	Remove Item because it was removed from GTK+.
 
 	* gtk/src/item.[hg|ccg]: Remove.
diff --git a/gtk/gtkmm/accelkey.cc b/gtk/gtkmm/accelkey.cc
index 04130f8..93cc8d2 100644
--- a/gtk/gtkmm/accelkey.cc
+++ b/gtk/gtkmm/accelkey.cc
@@ -27,7 +27,7 @@ namespace Gtk
 {
 
 AccelKey::AccelKey()
-: key_(GDK_VoidSymbol),
+: key_(GDK_KEY_VoidSymbol),
   mod_((Gdk::ModifierType)0)
 {
 }
@@ -80,7 +80,7 @@ Glib::ustring AccelKey::get_path() const
 
 bool AccelKey::is_null() const
 {
-  return ( (key_ == GDK_VoidSymbol) || !(get_key() > 0) ); //both seem to be invalid.
+  return ( (key_ == GDK_KEY_VoidSymbol) || !(get_key() > 0) ); //both seem to be invalid.
 }
 
 Glib::ustring AccelKey::get_abbrev() const
diff --git a/gtk/gtkmm/accelmap.cc b/gtk/gtkmm/accelmap.cc
index 8e9aec7..262af38 100644
--- a/gtk/gtkmm/accelmap.cc
+++ b/gtk/gtkmm/accelmap.cc
@@ -66,13 +66,13 @@ void unlock_path(const std::string& accel_path)
 
 bool lookup_entry(const Glib::ustring& accel_path, Gtk::AccelKey& key)
 {
-  GtkAccelKey gkey = {GDK_VoidSymbol, GdkModifierType (0), 0};
+  GtkAccelKey gkey = {GDK_KEY_VoidSymbol, GdkModifierType (0), 0};
   const bool known = gtk_accel_map_lookup_entry(accel_path.c_str(), &gkey);
 
   if(known)
     key = AccelKey(gkey.accel_key, Gdk::ModifierType (gkey.accel_mods));
   else
-    key = AccelKey(GDK_VoidSymbol, Gdk::ModifierType (0));
+    key = AccelKey(GDK_KEY_VoidSymbol, Gdk::ModifierType (0));
 
   return known;
 }