[pybliographer] ui: Enable FileSelectorDialog to set the parent

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 3ad4e5734bafafaf38c352187417e5923cd71f89
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Fri Mar 30 00:06:43 2018 -0300

    ui: Enable FileSelectorDialog to set the parent

 Pyblio/GnomeUI/FileSelector.py |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/Pyblio/GnomeUI/FileSelector.py b/Pyblio/GnomeUI/FileSelector.py
index bfc49e9..e95e1b7 100644
--- a/Pyblio/GnomeUI/FileSelector.py
+++ b/Pyblio/GnomeUI/FileSelector.py
@@ -34,11 +34,11 @@ class URLFileSelection (gtk.FileChooserDialog):
 
     defaultdir = None
     
-    def __init__(self, title = _("File"),
-                 modal = True, has_auto = True, is_save = False,
-                 directory = None, show_type=True):
+    def __init__(self, title=_("File"),
+                 modal=True, has_auto=True, is_save=False,
+                 directory=None, show_type=True, parent=None):
 
-        gtk.FileChooserDialog.__init__ (self)
+        gtk.FileChooserDialog.__init__(self, parent=parent)
 
         accelerator = gtk.AccelGroup ()
         self.add_accel_group (accelerator)