add gss_context_query_attributes() doxygen
add gss_context_query_attributes()
doxygen

git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@24726 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal