[krbdev.mit.edu #7087] [BUG krb5-1.10] krb5_gss_get_name_attribute

[Greg Hudson via RT]

I've created issue #7089 (with fix) for the lack of buffer initialization 
in the mechglue gss_get_name_attribute, and issue #7090 for the minor 
cleanup issue if the second data_to_gss call fails.  Changing the status 
of this issue to review.