file-chooser-button: Disable state restoration

This done to avoid calling gtk_file_chooser_set_current_folder(), which
is used to restore state. For some reason, GTK displays an error dialog
if gtk_file_chooser_set_file() is called after
gtk_file_chooser_set_current_folder().

Fixes #903.

src/celluloid-file-chooser-button.c

@@ -232,7 +232,7 @@ celluloid_file_chooser_button_init(CelluloidFileChooserButton *self)
 		(	_("Open File…"),
 			NULL,
 			GTK_FILE_CHOOSER_ACTION_OPEN,
-			TRUE );
+			FALSE );
 	self->label = gtk_label_new(_("(None)"));
 	self->file = NULL;
 	self->title = NULL;