[vala] gtk+-3.0: Update to 3.15.2

[Rico Tzschichholz <ricotz src gnome org>]

commit 8d13b26014e596e81944aa7073b0c76c604028ea
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sun Nov 30 21:11:39 2014 +0100

    gtk+-3.0: Update to 3.15.2

 vapi/gtk+-3.0.vapi                 |    2 ++
 vapi/packages/gtk+-3.0/gtk+-3.0.gi |    5 +++--
 2 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/vapi/gtk+-3.0.vapi b/vapi/gtk+-3.0.vapi
index f772097..984c628 100644
--- a/vapi/gtk+-3.0.vapi
+++ b/vapi/gtk+-3.0.vapi
@@ -3796,6 +3796,8 @@ namespace Gtk {
                [CCode (has_construct_function = false, type = "GtkWidget*")]
                public PopoverMenu ();
                public void open_submenu (string name);
+               [NoAccessorMethod]
+               public string visible_submenu { owned get; set; }
        }
        [CCode (cheader_filename = "gtk/gtk.h", type_id = "gtk_print_context_get_type ()")]
        public class PrintContext : GLib.Object {
diff --git a/vapi/packages/gtk+-3.0/gtk+-3.0.gi b/vapi/packages/gtk+-3.0/gtk+-3.0.gi
index 2b330aa..a69eaa9 100644
--- a/vapi/packages/gtk+-3.0/gtk+-3.0.gi
+++ b/vapi/packages/gtk+-3.0/gtk+-3.0.gi
@@ -19743,6 +19743,7 @@
                                        <parameter name="name" type="gchar*"/>
                                </parameters>
                        </method>
+                       <property name="visible-submenu" type="char*" readable="1" writable="1" construct="0" 
construct-only="0"/>
                </object>
                <object name="GtkPrintContext" parent="GObject" type-name="GtkPrintContext" 
get-type="gtk_print_context_get_type">
                        <method name="create_pango_context" symbol="gtk_print_context_create_pango_context">
@@ -35351,14 +35352,14 @@
                                </parameters>
                        </vfunc>
                </interface>
-               <constant name="GTK_BINARY_AGE" type="int" value="1501"/>
+               <constant name="GTK_BINARY_AGE" type="int" value="1502"/>
                <constant name="GTK_INPUT_ERROR" type="int" value="-1"/>
                <constant name="GTK_INTERFACE_AGE" type="int" value="0"/>
                <constant name="GTK_LEVEL_BAR_OFFSET_HIGH" type="char*" value="high"/>
                <constant name="GTK_LEVEL_BAR_OFFSET_LOW" type="char*" value="low"/>
                <constant name="GTK_MAJOR_VERSION" type="int" value="3"/>
                <constant name="GTK_MAX_COMPOSE_LEN" type="int" value="7"/>
-               <constant name="GTK_MICRO_VERSION" type="int" value="1"/>
+               <constant name="GTK_MICRO_VERSION" type="int" value="2"/>
                <constant name="GTK_MINOR_VERSION" type="int" value="15"/>
                <constant name="GTK_PAPER_NAME_A3" type="char*" value="iso_a3"/>
                <constant name="GTK_PAPER_NAME_A4" type="char*" value="iso_a4"/>