hg: jdk7/tl/jdk: 7004721: ktarg.sh fails when there's no default realm

[weijun.wang at oracle.com]

Changeset: e3dbb8cd8820
Author:    weijun
Date:      2010-12-06 06:49 +0800
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/e3dbb8cd8820

7004721: ktarg.sh fails when there's no default realm
Reviewed-by: xuelei

! test/sun/security/krb5/tools/ktarg.sh