[gnome-keyring] gkm-xdg-assertion: Fix leak in factory_create_assertion()

[Stefan Walter <stefw src gnome org>]

commit 670fe30c2dfe7accc738c8def6c1ccf047c944b6
Author: Christophe Fergeau <cfergeau redhat com>
Date:   Wed Oct 1 23:09:03 2014 +0200

    gkm-xdg-assertion: Fix leak in factory_create_assertion()
    
    'purpose' and 'peer' were allocated through gkm_attributes_find_string()
    and must thus be freed after use.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=738508

 pkcs11/xdg-store/gkm-xdg-assertion.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/pkcs11/xdg-store/gkm-xdg-assertion.c b/pkcs11/xdg-store/gkm-xdg-assertion.c
index df4b678..f655f71 100644
--- a/pkcs11/xdg-store/gkm-xdg-assertion.c
+++ b/pkcs11/xdg-store/gkm-xdg-assertion.c
@@ -173,6 +173,8 @@ factory_create_assertion (GkmSession *session, GkmTransaction *transaction,
                                  "purpose", purpose,
                                  "peer", peer,
                                  NULL);
+       g_free (purpose);
+       g_free (peer);
 
        /* Add the assertion to the trust object */
        if (!gkm_transaction_get_failed (transaction)) {