krb5 commit: Don't leak the per-request preauth context

[Greg Hudson]

https://github.com/krb5/krb5/commit/a47c4e68308331a630480cb62c2b7711432e0123
commit a47c4e68308331a630480cb62c2b7711432e0123
Author: Nalin Dahyabhai <nalin at dahyabhai.net>
Date:   Tue Mar 11 13:33:23 2014 -0400

    Don't leak the per-request preauth context
    
    Currently, per-request preauth module data is only cleared when we
    successfully obtain initial credentials.  Make sure to clear it at the
    end of the operation even if we failed to get creds.
    
    [ghudson at mit.edu: expanded commit message]
    
    ticket: 7793
    target_version: 1.12.2
    tags: pullup

 src/lib/krb5/krb/get_in_tkt.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/lib/krb5/krb/get_in_tkt.c b/src/lib/krb5/krb/get_in_tkt.c
index ebd2844..ebcb362 100644
--- a/src/lib/krb5/krb/get_in_tkt.c
+++ b/src/lib/krb5/krb/get_in_tkt.c
@@ -488,6 +488,7 @@ krb5_init_creds_free(krb5_context context,
     k5_response_items_free(ctx->rctx.items);
     free(ctx->in_tkt_service);
     zapfree(ctx->gakpw.storage.data, ctx->gakpw.storage.length);
+    k5_preauth_request_context_fini(context);
     krb5_free_error(context, ctx->err_reply);
     krb5_free_pa_data(context, ctx->err_padata);
     krb5_free_cred_contents(context, &ctx->cred);