* subversion/libsvn_fs_base/bdb/node-origins-table.c   (svn_fs_bdb__set_node_origin): Disallow overwrites.
* subversion/libsvn_fs_base/bdb/node-origins-table.c
  (svn_fs_bdb__set_node_origin): Disallow overwrites.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@867822 13f79535-47bb-0310-9956-ffa450edef68

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