[pitivi] MainWindow: Release gdk lock when running MissingURI dialog.

[Edward Hervey <edwardrv src gnome org>]

commit e76168b590de40ccc8b6cc29d9fee727fe1f2b80
Author: Edward Hervey <bilboed bilboed com>
Date:   Mon Sep 7 11:27:20 2009 +0200

    MainWindow: Release gdk lock when running MissingURI dialog.

 pitivi/ui/mainwindow.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/pitivi/ui/mainwindow.py b/pitivi/ui/mainwindow.py
index 94fa57e..333465f 100644
--- a/pitivi/ui/mainwindow.py
+++ b/pitivi/ui/mainwindow.py
@@ -856,7 +856,9 @@ class PitiviMainWindow(gtk.Window, Loggable):
         chooser.show()
 
         dialog.set_size_request(640, 480)
+        gtk.gdk.threads_enter()
         response = dialog.run()
+        gtk.gdk.threads_leave()
 
         if response == gtk.RESPONSE_OK:
             self.log("User chose a URI to save project to")