[gtk+] file chooser button: Add a style class

[Matthias Clasen <matthiasc src gnome org>]

commit f2434e7cea0c5194f03c9ca4e357bec4a4f1bc6e
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Nov 2 12:27:36 2015 -0500

    file chooser button: Add a style class
    
    Unfortunately, GtkFileChooserButton is different from the other
    pickers in that it is not a button, but rather has a button.
    
    We ignore the difference for styling purposes, and just add
    a .file style class to the button.

 gtk/ui/gtkfilechooserbutton.ui |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/ui/gtkfilechooserbutton.ui b/gtk/ui/gtkfilechooserbutton.ui
index 0bba090..b546af2 100644
--- a/gtk/ui/gtkfilechooserbutton.ui
+++ b/gtk/ui/gtkfilechooserbutton.ui
@@ -8,6 +8,9 @@
         <property name="can_focus">1</property>
         <property name="receives_default">1</property>
         <signal name="clicked" handler="button_clicked_cb" swapped="no"/>
+        <style>
+          <class name="file"/>
+        </style>
         <child>
           <object class="GtkBox" id="box2">
             <property name="visible">1</property>