[perl-Gtk2] Properly wrap gtk_binding_entry_skip in version guards

[Torsten Schönfeld <tsch src gnome org>]

commit d59eb1dfa91ca7a6110c82dc82fcfdd6daa5329a
Author: Torsten Schönfeld <kaffeetisch gmx de>
Date:   Sun Jun 7 21:08:22 2009 +0200

    Properly wrap gtk_binding_entry_skip in version guards
    
    Don't try to compile bindings and run tests for gtk_binding_entry_skip if gtk+
    isn't new enough.
    
    Original patch by Kevin Ryde and Emmanuel Rodriguez.
---
 t/GtkBindings.t   |    6 +++++-
 xs/GtkBindings.xs |   23 +++++++++++++++++------
 2 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/t/GtkBindings.t b/t/GtkBindings.t
index 1a53ec5..e88fdad 100644
--- a/t/GtkBindings.t
+++ b/t/GtkBindings.t
@@ -350,11 +350,15 @@ SKIP: {
 #-----------------------------------------------------------------------------
 # entry_skip()
 
-# basic invocation on object doesn't dispatch
 SKIP: {
   skip 'Need a keymap', 8
     unless $have_valid_keymap;
 
+  skip 'entry_skip() new in 2.12', 8
+    unless Gtk2->CHECK_VERSION(2, 12, 0);
+
+  # see that basic invocation on object doesn't dispatch
+  #
   my $skip_bindings = Gtk2::BindingSet->new ('entry_skip_test');
   my $keyval = Gtk2::Gdk->keyval_from_name('Return');
   my $modifiers = [];
diff --git a/xs/GtkBindings.xs b/xs/GtkBindings.xs
index f97f60a..8f4247d 100644
--- a/xs/GtkBindings.xs
+++ b/xs/GtkBindings.xs
@@ -375,17 +375,28 @@ gtk_binding_entry_add_signal (binding_set, keyval, modifiers, signal_name, ...)
 ##				  guint keyval,
 ##				  GdkModifierType modifiers);
 void
+gtk_binding_entry_remove (binding_set, keyval, modifiers)
+	GtkBindingSet *binding_set
+	guint keyval
+	GdkModifierType modifiers
+    CODE:
+	gtk_binding_entry_remove (binding_set, keyval, modifiers);
+
+#if GTK_CHECK_VERSION (2, 12, 0)
+
+## void gtk_binding_entry_skip (GtkBindingSet *binding_set,
+##				guint keyval,
+##				GdkModifierType modifiers);
+void
 gtk_binding_entry_skip (binding_set, keyval, modifiers)
 	GtkBindingSet *binding_set
 	guint keyval
 	GdkModifierType modifiers
-    ALIAS:
-	entry_remove = 1
     CODE:
-	if (ix == 0)
-		gtk_binding_entry_skip (binding_set, keyval, modifiers);
-	else
-		gtk_binding_entry_remove (binding_set, keyval, modifiers);
+	gtk_binding_entry_skip (binding_set, keyval, modifiers);
+
+#endif
+
 
 MODULE = Gtk2::BindingSet	PACKAGE = Gtk2::Object	PREFIX = gtk_