allowing writes after the end of `netobuf' git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10354 ec53bebd-3082-4978-b11e-865c3cabbd6b
allowing writes after the end of `netobuf' git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10354 ec53bebd-3082-4978-b11e-865c3cabbd6b