[gnome-online-accounts/gnome-3-10] kerberos: fix principal leak in identity_renew

[Ray Strode <halfline src gnome org>]

commit 968a6aa06de81288ff2b629b25586c30a7da6f54
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Mar 17 09:42:13 2014 -0400

    kerberos: fix principal leak in identity_renew
    
    The code carefully freed the principal in all error cases, but then
    failed to free the principal in the non-error case!
    
    https://bugzilla.gnome.org/show_bug.cgi?id=726353

 src/goaidentity/goakerberosidentity.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/goaidentity/goakerberosidentity.c b/src/goaidentity/goakerberosidentity.c
index d2e8c62..5ccbcac 100644
--- a/src/goaidentity/goakerberosidentity.c
+++ b/src/goaidentity/goakerberosidentity.c
@@ -1406,6 +1406,9 @@ goa_kerberos_identity_renew (GoaKerberosIdentity *self, GError **error)
 
   goa_debug ("GoaKerberosIdentity: identity %s renewed", name);
   renewed = TRUE;
+
+  krb5_free_principal (self->priv->kerberos_context, principal);
+
 out:
   g_free (name);