[recipes] Make the whats new dialog a dialog

[Matthias Clasen <matthiasc src gnome org>]

commit 569b730cfa7699b17aa4899c8f2548e8f88c3536
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Feb 28 22:41:04 2017 -0500

    Make the whats new dialog a dialog
    
    This lets us adapt to platform conventions.

 src/recipe-whats-new-dialog.ui |   33 +++++++++++++++------------------
 1 files changed, 15 insertions(+), 18 deletions(-)
---
diff --git a/src/recipe-whats-new-dialog.ui b/src/recipe-whats-new-dialog.ui
index 092084a..16f1b73 100644
--- a/src/recipe-whats-new-dialog.ui
+++ b/src/recipe-whats-new-dialog.ui
@@ -1,31 +1,28 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface domain="gnome-recipes">
-  <object class="GtkWindow" id="dialog">
+  <object class="GtkDialog" id="dialog">
     <property name="modal">1</property>
     <property name="default-width">400</property>
     <property name="default-height">600</property>
     <property name="resizable">0</property>
     <property name="title" translatable="yes">What’s New in Recipes</property>
     <property name="destroy-with-parent">1</property>
-    <child type="titlebar">
-      <object class="GtkHeaderBar">
-        <property name="visible">1</property>
-        <property name="title" translatable="yes">What’s New in Recipes</property>
-        <property name="show-close-button">1</property>
-      </object>
-    </child>
-    <child>
-      <object class="GtkScrolledWindow">
-        <property name="visible">1</property>
-        <property name="hscrollbar-policy">never</property>
-        <property name="vscrollbar-policy">automatic</property>
-        <property name="min-content-height">600</property>
+    <child internal-child="vbox">
+      <object class="GtkBox">
         <child>
-          <object class="GtkBox" id="box">
+          <object class="GtkScrolledWindow">
             <property name="visible">1</property>
-            <property name="margin">20</property>
-            <property name="spacing">20</property>
-            <property name="orientation">vertical</property>
+            <property name="hscrollbar-policy">never</property>
+            <property name="vscrollbar-policy">automatic</property>
+            <property name="min-content-height">600</property>
+            <child>
+              <object class="GtkBox" id="box">
+                <property name="visible">1</property>
+                <property name="margin">20</property>
+                <property name="spacing">20</property>
+                <property name="orientation">vertical</property>
+              </object>
+            </child>
           </object>
         </child>
       </object>