[gtk/wip/baedert/for-master] fontbutton: Shorted clear_font_data a bit

[Timm Bäder <baedert src gnome org>]

commit 56ed5080947ae5df530fb6dee258d47baf5b28dc
Author: Timm Bäder <mail baedert org>
Date:   Fri Sep 13 14:28:48 2019 +0200

    fontbutton: Shorted clear_font_data a bit

 gtk/gtkfontbutton.c | 22 +++++-----------------
 1 file changed, 5 insertions(+), 17 deletions(-)
---
diff --git a/gtk/gtkfontbutton.c b/gtk/gtkfontbutton.c
index 72d71a7fb8..79ac0c31ed 100644
--- a/gtk/gtkfontbutton.c
+++ b/gtk/gtkfontbutton.c
@@ -190,23 +190,11 @@ clear_font_data (GtkFontButton *font_button)
 {
   GtkFontButtonPrivate *priv = gtk_font_button_get_instance_private (font_button);
 
-  if (priv->font_family)
-    g_object_unref (priv->font_family);
-  priv->font_family = NULL;
-
-  if (priv->font_face)
-    g_object_unref (priv->font_face);
-  priv->font_face = NULL;
-
-  if (priv->font_desc)
-    pango_font_description_free (priv->font_desc);
-  priv->font_desc = NULL;
-
-  g_free (priv->fontname);
-  priv->fontname = NULL;
-
-  g_free (priv->font_features);
-  priv->font_features = NULL;
+  g_clear_object (&priv->font_family);
+  g_clear_object (&priv->font_face);
+  g_clear_pointer (&priv->font_desc, pango_font_description_free);
+  g_clear_pointer (&priv->fontname, g_free);
+  g_clear_pointer (&priv->font_features, g_free);
 }
 
 static void