[glib] gio: properly free memory, preventing leak and illegal access.

[Matthias Clasen <matthiasc src gnome org>]

commit 9864c8abf57d3061a76d704e64897f02894f0c3f
Author: Ismo Puustinen <ismo puustinen intel com>
Date:   Tue Aug 4 13:29:20 2015 +0300

    gio: properly free memory, preventing leak and illegal access.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=753231

 gio/gdbusauth.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/gio/gdbusauth.c b/gio/gdbusauth.c
index a29f97e..4036d77 100644
--- a/gio/gdbusauth.c
+++ b/gio/gdbusauth.c
@@ -1064,6 +1064,7 @@ _g_dbus_auth_run_server (GDBusAuth              *auth,
               if (!g_data_output_stream_put_string (dos, s, cancellable, error))
                 {
                   g_free (s);
+                  g_free (line);
                   goto out;
                 }
               g_free (s);
@@ -1077,7 +1078,6 @@ _g_dbus_auth_run_server (GDBusAuth              *auth,
               GType auth_mech_to_use_gtype;
 
               tokens = g_strsplit (line, " ", 0);
-              g_free (line);
 
               switch (g_strv_length (tokens))
                 {
@@ -1100,9 +1100,12 @@ _g_dbus_auth_run_server (GDBusAuth              *auth,
                                "Unexpected line '%s' while in WaitingForAuth state",
                                line);
                   g_strfreev (tokens);
+                  g_free (line);
                   goto out;
                 }
 
+              g_free (line);
+
               /* TODO: record that the client has attempted to use this mechanism */
               //g_debug ("client is trying '%s'", mech_name);