[libgda] Value: fix memory leak when creating new time

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 88f196d8e270a48c44767866db400817f8f29384
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Apr 21 10:49:25 2019 -0500

    Value: fix memory leak when creating new time

 libgda/gda-value.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/libgda/gda-value.c b/libgda/gda-value.c
index e8ac994ce..e43aa1b6d 100644
--- a/libgda/gda-value.c
+++ b/libgda/gda-value.c
@@ -1501,6 +1501,7 @@ void
 gda_time_free (GdaTime* boxed)
 {
        g_date_time_unref (boxed->dt);
+  boxed->dt = NULL;
        g_free (boxed);
 }
 
@@ -2177,7 +2178,8 @@ gda_value_new_time_from_timet (time_t val)
        GValue *value = gda_value_new (GDA_TYPE_TIME);
        GDateTime *dt = g_date_time_new_from_unix_local (val);
        GdaTime *t = gda_time_new_from_date_time (dt);
-       gda_value_set_time (value, t);
+  g_date_time_unref (dt);
+       g_value_take_boxed (value, t);
 
        return value;
 }