[gdm] session-record: fix use after free

[Ray Strode <halfline src gnome org>]

commit 6f8c1196edcae1dbc72722d57b66fd958fdb7f92
Author: Paul Szabo <psz maths usyd edu au>
Date:   Fri Aug 14 14:59:56 2015 -0400

    session-record: fix use after free
    
    hostname is getting freed before it's getting used if ut_syslen
    is available.
    
    This commit moves the free down a couple of lines
    
    https://bugzilla.gnome.org/show_bug.cgi?id=599103

 daemon/gdm-session-record.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/daemon/gdm-session-record.c b/daemon/gdm-session-record.c
index 3323252..89c11a8 100644
--- a/daemon/gdm-session-record.c
+++ b/daemon/gdm-session-record.c
@@ -161,11 +161,10 @@ record_set_host (UTMP       *u,
         if (hostname != NULL) {
                 strncpy (u->ut_host, hostname, sizeof (u->ut_host));
                 g_debug ("using ut_host %.*s", (int) sizeof (u->ut_host), u->ut_host);
-                g_free (hostname);
-
 #ifdef HAVE_UT_UT_SYSLEN
                 u->ut_syslen = MIN (strlen (hostname), sizeof (u->ut_host));
 #endif
+                g_free (hostname);
         }
 #endif
 }