[vala] gtk+-2.0, gtk+-3.0: Make CellEditable.start_editing event parameter nullable

[Luca Bruno <lucabru src gnome org>]

commit e44d0eed484cdc197bed3b84c185655a13c03e43
Author: Luca Bruno <lucabru src gnome org>
Date:   Thu Apr 7 20:46:32 2016 +0200

    gtk+-2.0, gtk+-3.0: Make CellEditable.start_editing event parameter nullable
    
    Fixes bug 764489

 vapi/gtk+-2.0.vapi                       |    2 +-
 vapi/gtk+-3.0.vapi                       |    2 +-
 vapi/packages/gtk+-2.0/gtk+-2.0.metadata |    1 +
 vapi/packages/gtk+-3.0/gtk+-3.0.metadata |    1 +
 4 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/vapi/gtk+-2.0.vapi b/vapi/gtk+-2.0.vapi
index 0b8a536..4df620d 100644
--- a/vapi/gtk+-2.0.vapi
+++ b/vapi/gtk+-2.0.vapi
@@ -6061,7 +6061,7 @@ namespace Gtk {
        }
        [CCode (cheader_filename = "gtk/gtk.h")]
        public interface CellEditable : Gtk.Widget {
-               public abstract void start_editing (Gdk.Event event);
+               public abstract void start_editing (Gdk.Event? event);
                [NoAccessorMethod]
                public bool editing_canceled { get; set; }
                [HasEmitter]
diff --git a/vapi/gtk+-3.0.vapi b/vapi/gtk+-3.0.vapi
index 5b2942c..caca080 100644
--- a/vapi/gtk+-3.0.vapi
+++ b/vapi/gtk+-3.0.vapi
@@ -7266,7 +7266,7 @@ namespace Gtk {
        }
        [CCode (cheader_filename = "gtk/gtk.h")]
        public interface CellEditable : Gtk.Widget {
-               public abstract void start_editing (Gdk.Event event);
+               public abstract void start_editing (Gdk.Event? event);
                [NoAccessorMethod]
                public bool editing_canceled { get; set; }
                [HasEmitter]
diff --git a/vapi/packages/gtk+-2.0/gtk+-2.0.metadata b/vapi/packages/gtk+-2.0/gtk+-2.0.metadata
index 284be91..30d7f0e 100644
--- a/vapi/packages/gtk+-2.0/gtk+-2.0.metadata
+++ b/vapi/packages/gtk+-2.0/gtk+-2.0.metadata
@@ -119,6 +119,7 @@ GtkCallbackMarshal hidden="1"
 GtkCell.u hidden="1"
 GtkCellEditable::editing_done has_emitter="1"
 GtkCellEditable::remove_widget has_emitter="1"
+gtk_cell_editable_start_editing.event nullable="1"
 gtk_cell_layout_get_cells transfer_ownership="1" type_arguments="unowned CellRenderer"
 gtk_cell_layout_set_attributes ellipsis="1"
 gtk_cell_layout_set_cell_data_func.func transfer_ownership="1"
diff --git a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
index f1af10e..8569354 100644
--- a/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
+++ b/vapi/packages/gtk+-3.0/gtk+-3.0.metadata
@@ -231,6 +231,7 @@ gtk_cell_area_context_get_preferred_width_for_height.minimum_width is_out="1"
 gtk_cell_area_context_get_preferred_width_for_height.natural_width is_out="1"
 GtkCellEditable::editing_done has_emitter="1"
 GtkCellEditable::remove_widget has_emitter="1"
+gtk_cell_editable_start_editing.event nullable="1"
 gtk_cell_layout_get_cells transfer_ownership="1" type_arguments="unowned CellRenderer"
 gtk_cell_layout_set_attributes ellipsis="1"
 gtk_cell_layout_set_cell_data_func.func transfer_ownership="1"