* rd_cred.c (krb5_rd_cred_basic): When the keyblock is NULL, assume

* rd_cred.c (krb5_rd_cred_basic): When the keyblock is NULL, assume
	we're being called from the gssapi code, which doesn't have access to
	the sender or receive address information, don't check the sender
	address, since it won't be available.

* rd_cred.c (decrypt_credencdata): When calling krb5_rd_credd(), if
	the keyblock is null, just copy the encoded structure from the
	"ciphertext" part of the structure and decode it.

* mk_cred.c (encrypt_credencpart): When calling krb5_mk_cred(), if the
	keyblock is NULL, don't encrypt it; just encode it and leave it in the
	ciphertext area of the structure.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@7264 dc483132-0cff-0310-8789-dd5450dbe970