[gnome-music] searchbar: don't use get_child_by_name from gtk 3.12

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 3582edb33a37c1d082660410ebb63f7776311042
Author: Florian Will <florian will googlemail com>
Date:   Thu May 15 16:54:00 2014 +0000

    searchbar: don't use get_child_by_name from gtk 3.12
    
    https://bugzilla.gnome.org/show_bug.cgi?id=730205

 gnomemusic/searchbar.py |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gnomemusic/searchbar.py b/gnomemusic/searchbar.py
index 3eb9955..a545be5 100644
--- a/gnomemusic/searchbar.py
+++ b/gnomemusic/searchbar.py
@@ -262,10 +262,10 @@ class Searchbar(Gd.Revealer):
             fields_filter = 'search_all'
 
         stack = self.stack_switcher.get_stack()
-        view = stack.get_child_by_name('search')
         if search_term != "":
-            stack.set_visible_child(view)
-        view.set_search_text(search_term, fields_filter)
+            stack.set_visible_child_name('search')
+            view = stack.get_visible_child()
+            view.set_search_text(search_term, fields_filter)
 
         self._dropDownButton.set_active(False)
         self.dropdown.set_reveal_child(False)