[gthumb] import preferences: use the symbolic help icon

[Paolo Bacchilega <paobac src gnome org>]

commit a8b05ef9c011b7a916ab1e4cf48fdf6674e6f14f
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Tue Nov 19 20:03:58 2013 +0100

    import preferences: use the symbolic help icon

 extensions/importer/data/ui/import-preferences.ui |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/extensions/importer/data/ui/import-preferences.ui 
b/extensions/importer/data/ui/import-preferences.ui
index a64f19f..b382b3e 100644
--- a/extensions/importer/data/ui/import-preferences.ui
+++ b/extensions/importer/data/ui/import-preferences.ui
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.16.0 on Tue Nov 19 19:33:31 2013 -->
 <interface>
   <!-- interface-requires gtk+ 3.0 -->
   <object class="GtkVBox" id="import_preferences">
@@ -168,7 +169,7 @@
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
                             <property name="invisible_char">●</property>
-                            <property name="secondary_icon_stock">gtk-help</property>
+                            <property name="secondary_icon_name">help-browser-symbolic</property>
                             <property name="secondary_icon_tooltip_text">Help</property>
                           </object>
                           <packing>