[gnome-control-center] info: Don't leak GCancellables

[Rui Matos <rtcm src gnome org>]

commit 546752f79ebe261dba5c665d50051eabf325e6d2
Author: Rui Matos <tiagomatos gmail com>
Date:   Sun Aug 27 19:43:43 2017 +0200

    info: Don't leak GCancellables
    
    We were just plainly leaking them and there's really no need since
    GCancellable instances can be re-used.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=786097

 panels/info/cc-info-overview-panel.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/panels/info/cc-info-overview-panel.c b/panels/info/cc-info-overview-panel.c
index 7a5879c..0bc3d63 100644
--- a/panels/info/cc-info-overview-panel.c
+++ b/panels/info/cc-info-overview-panel.c
@@ -505,7 +505,6 @@ query_done (GFile               *file,
   GError *error = NULL;
   CcInfoOverviewPanelPrivate *priv = cc_info_overview_panel_get_instance_private (self);
 
-  priv->cancellable = NULL;
   info = g_file_query_filesystem_info_finish (file, res, &error);
   if (info != NULL)
     {
@@ -548,8 +547,6 @@ get_primary_disc_info_start (CcInfoOverviewPanel *self)
   file = g_file_new_for_path (g_unix_mount_get_mount_path (mount));
   g_unix_mount_free (mount);
 
-  priv->cancellable = g_cancellable_new ();
-
   g_file_query_filesystem_info_async (file,
                                       G_FILE_ATTRIBUTE_FILESYSTEM_SIZE,
                                       0,
@@ -602,6 +599,7 @@ get_primary_disc_info (CcInfoOverviewPanel *self)
   g_list_free (points);
   g_hash_table_destroy (hash);
 
+  priv->cancellable = g_cancellable_new ();
   get_primary_disc_info_start (self);
 }