[glib] registrybackend: fix double-free error

[Ignacio Casal Quinteiro <icq src gnome org>]

commit b57eac68e5d27c44f1e2c1836d56bcd8d64b836d
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Tue Jan 26 15:22:48 2016 +0100

    registrybackend: fix double-free error

 gio/gregistrysettingsbackend.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gregistrysettingsbackend.c b/gio/gregistrysettingsbackend.c
index 5c26f34..bd7e8a1 100644
--- a/gio/gregistrysettingsbackend.c
+++ b/gio/gregistrysettingsbackend.c
@@ -219,7 +219,7 @@ g_message_win32_error (DWORD        result_code,
   win32_error = g_win32_error_message (result_code);
   win32_message = g_strdup_printf ("%s: %s", message, win32_error);
   g_free (message);
-  g_free (win32_message);
+  g_free (win32_error);
 
   if (result_code == ERROR_KEY_DELETED)
     trace ("(%s)", win32_message);