editor: re-add ce_spin_output_with_default()

This time, it prints "default" in the spin button instead of "automatic"
when the spin holds the default value.

src/connection-editor/ce-page.c

@@ -84,6 +84,14 @@ ce_spin_output_with_automatic (GtkSpinButton *spin, gpointer user_data)
 	                                        _("automatic"));
 }
 
+gboolean
+ce_spin_output_with_default (GtkSpinButton *spin, gpointer user_data)
+{
+	return spin_output_with_default_string (spin,
+	                                        GPOINTER_TO_INT (user_data),
+	                                        _("default"));
+}
+
 int
 ce_get_property_default (NMSetting *setting, const char *property_name)
 {

src/connection-editor/ce-page.h

@@ -120,6 +120,8 @@ GByteArray *ce_page_entry_to_mac (GtkEntry *entry, int type, gboolean *invalid);
 
 gboolean ce_spin_output_with_automatic (GtkSpinButton *spin, gpointer user_data);
 
+gboolean ce_spin_output_with_default (GtkSpinButton *spin, gpointer user_data);
+
 int ce_get_property_default (NMSetting *setting, const char *property_name);
 
 void ce_page_complete_init (CEPage *self,