Check that roots are txns, where required, as suggested by Yoshiki Hayashi <yoshiki@xemacs.org>:
Check that roots are txns, where required, as suggested by Yoshiki
Hayashi <yoshiki@xemacs.org>:

* tree.c (not_txn): New error constructor for roots.
(svn_fs_change_node_prop, svn_fs_merge, svn_fs_make_dir,
txn_body_delete, svn_fs_copy): Use it.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@839000 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion