[gtk+] Use symbolic icon for file chooser

[Matthias Clasen <matthiasc src gnome org>]

commit de4959ca478b3748538d2bd132445b1837f202e6
Author: Nikita Churaev <lamefun x0r gmail com>
Date:   Tue Jan 21 17:27:13 2014 +0400

    Use symbolic icon for file chooser
    
    https://bugzilla.gnome.org/show_bug.cgi?id=722642

 gtk/gtkfilechooserbutton.ui |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkfilechooserbutton.ui b/gtk/gtkfilechooserbutton.ui
index a48e418..b21a0aa 100644
--- a/gtk/gtkfilechooserbutton.ui
+++ b/gtk/gtkfilechooserbutton.ui
@@ -57,8 +57,9 @@
               <object class="GtkImage" id="open_file_icon">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
-                <property name="icon_name">document-open</property>
+                <property name="icon_name">document-open-symbolic</property>
                 <property name="icon_size">1</property>
+                <property name="use_fallback">True</property>
               </object>
               <packing>
                 <property name="expand">False</property>