[gnome-flashback] shell: fix CallbackData allocation

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 2496894a1a9843076bc6755489abb452c2abc532
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Jun 11 13:20:11 2016 +0300

    shell: fix CallbackData allocation

 .../libshell/flashback-monitor-labeler.c           |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-flashback/libshell/flashback-monitor-labeler.c 
b/gnome-flashback/libshell/flashback-monitor-labeler.c
index c576be8..3d74d24 100644
--- a/gnome-flashback/libshell/flashback-monitor-labeler.c
+++ b/gnome-flashback/libshell/flashback-monitor-labeler.c
@@ -284,7 +284,7 @@ flashback_monitor_labeler_hide (FlashbackMonitorLabeler *labeler,
 {
   CallbackData *data;
 
-  data = (CallbackData *) g_new0 (CallbackData *, 1);
+  data = g_new0 (CallbackData, 1);
   data->labeler = g_object_ref (labeler);
   data->sender = g_strdup (sender);