krb5 commit: Fix minor leak in kdb5_util purge_mkeys

[Greg Hudson]

https://github.com/krb5/krb5/commit/6d822841648761ac888b9a95693ad87a8aaf165c
commit 6d822841648761ac888b9a95693ad87a8aaf165c
Author: Greg Hudson <ghudson at mit.edu>
Date:   Tue Jun 19 13:03:05 2018 -0400

    Fix minor leak in kdb5_util purge_mkeys
    
    In kdb5_purge_mkeys(), if krb5_dbe_update_mkey_aux() fails, use the
    cleanup label to free any allocated memory instead of returning
    immediately.  Reported by Bean Zhang.
    
    ticket: 8702

 src/kadmin/dbutil/kdb5_mkey.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/kadmin/dbutil/kdb5_mkey.c b/src/kadmin/dbutil/kdb5_mkey.c
index 2efe317..5395a60 100644
--- a/src/kadmin/dbutil/kdb5_mkey.c
+++ b/src/kadmin/dbutil/kdb5_mkey.c
@@ -1297,7 +1297,7 @@ kdb5_purge_mkeys(int argc, char *argv[])
         com_err(progname, retval,
                 _("while updating mkey_aux data for master principal entry"));
         exit_status++;
-        return;
+        goto cleanup_return;
     }
 
     if ((retval = krb5_timeofday(util_context, &now))) {