[pitivi] render: Use _sampleRateComboChangedCb

[Thibault Saunier <tsaunier src gnome org>]

commit 53714b585e23411de2d3cf508359274670deb793
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Sun Oct 18 19:45:34 2015 +0200

    render: Use _sampleRateComboChangedCb
    
    Reviewers: thiblahute
    
    Projects: #pitivi, #pitivi_0.95
    
    Reviewed By: thiblahute
    
    Differential Revision: https://phabricator.freedesktop.org/D350

 data/ui/renderingdialog.ui |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/ui/renderingdialog.ui b/data/ui/renderingdialog.ui
index dd57ad7..ee4d5f2 100644
--- a/data/ui/renderingdialog.ui
+++ b/data/ui/renderingdialog.ui
@@ -771,6 +771,7 @@
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
                             <property name="model">model5</property>
+                            <signal name="changed" handler="_sampleRateComboChangedCb" swapped="no"/>
                             <child>
                               <object class="GtkCellRendererText" id="renderer6"/>
                               <attributes>