[gedit] gedit-dirs: shutdown(): set the variables to NULL after freeing them

[Sébastien Wilmet <swilmet src gnome org>]

commit ec18403646dc8225c25d7d80af0f773205969dbf
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed May 6 23:11:10 2020 +0200

    gedit-dirs: shutdown(): set the variables to NULL after freeing them

 gedit/gedit-dirs.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gedit/gedit-dirs.c b/gedit/gedit-dirs.c
index b76d4831c..81f32c287 100644
--- a/gedit/gedit-dirs.c
+++ b/gedit/gedit-dirs.c
@@ -115,14 +115,14 @@ gedit_dirs_init ()
 void
 gedit_dirs_shutdown ()
 {
-       g_free (user_config_dir);
-       g_free (user_data_dir);
-       g_free (user_styles_dir);
-       g_free (user_plugins_dir);
-       g_free (gedit_locale_dir);
-       g_free (gedit_lib_dir);
-       g_free (gedit_plugins_dir);
-       g_free (gedit_plugins_data_dir);
+       g_clear_pointer (&user_config_dir, g_free);
+       g_clear_pointer (&user_data_dir, g_free);
+       g_clear_pointer (&user_styles_dir, g_free);
+       g_clear_pointer (&user_plugins_dir, g_free);
+       g_clear_pointer (&gedit_locale_dir, g_free);
+       g_clear_pointer (&gedit_lib_dir, g_free);
+       g_clear_pointer (&gedit_plugins_dir, g_free);
+       g_clear_pointer (&gedit_plugins_data_dir, g_free);
 }
 
 const gchar *