[gnome-todo] task: fix compare condition

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 05a3068ae7cdae4177bf05659a58bc556f6d44ca
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Jun 25 00:36:26 2015 -0300

    task: fix compare condition

 src/gtd-task.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gtd-task.c b/src/gtd-task.c
index ec23c92..8bbd0fc 100644
--- a/src/gtd-task.c
+++ b/src/gtd-task.c
@@ -895,7 +895,7 @@ gtd_task_compare (GtdTask *t1,
   else if (!dt2)
     retval = -1;
   else
-    retval = -1 * g_date_time_compare (dt1, dt2);
+    retval = g_date_time_compare (dt1, dt2);
 
   if (dt1)
     g_date_time_unref (dt1);