pull up r19736 from trunk r19736 at cathode-dark-space: raeburn | 2007-07-27 00:38:46 -0400 ticket: 5471 Check for null file handle in get_next. Patch from Luke Howard. Commit By: tlyu Revision: 19907 Changed Files: _U branches/krb5-1-6/ U branches/krb5-1-6/src/lib/krb5/keytab/kt_file.c