svn rev #18734: trunk/src/lib/krb5/krb/

[coffman@MIT.EDU]

Commit By: coffman
Log Message: 
ticket: new
subject: Avoid segfault in krb5_do_preauth_tryagain

Check pointer is non-null before using it.  Avoids segfault in
krb5_do_preauth_tryagain().



Changed Files:
U   trunk/src/lib/krb5/krb/preauth2.c