[gnome-calendar/gnome-3-24] week-header: fix memory leak

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

commit 97620a4c00b5d46cb2e0a8821f7c0699bb05df93
Author: Mohammed Sadiq <sadiq sadiqpk org>
Date:   Fri May 12 20:22:39 2017 +0530

    week-header: fix memory leak
    
    https://bugzilla.gnome.org/show_bug.cgi?id=782561

 src/views/gcal-week-header.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/views/gcal-week-header.c b/src/views/gcal-week-header.c
index 460450c..d305b83 100644
--- a/src/views/gcal-week-header.c
+++ b/src/views/gcal-week-header.c
@@ -1193,7 +1193,7 @@ gcal_week_header_draw (GtkWidget      *widget,
 
   for (i = 0; i < 7; i++)
     {
-      gchar *weekday_date, *weekday_abv;
+      gchar *weekday_date, *weekday_abv, *weekday;
       gdouble x;
       gint font_width;
       gint n_day;
@@ -1232,7 +1232,9 @@ gcal_week_header_draw (GtkWidget      *widget,
       gtk_style_context_restore (context);
 
       /* Draws the days name */
-      weekday_abv = g_strdup_printf ("%s", g_utf8_strup (gcal_get_weekday ((i + self->first_weekday) % 7), 
-1));
+      weekday = g_utf8_strup (gcal_get_weekday ((i + self->first_weekday) % 7), -1);
+      weekday_abv = g_strdup_printf ("%s", weekday);
+      g_free (weekday);
 
       gtk_style_context_save (context);
       gtk_style_context_add_class (context, "week-names");