* subversion/libsvn_fs/fs-loader.c   (svn_fs_node_relation):  As we recently defined different FS instances                            to imply unrelated notes, we can replace the                            somewhat fragile vtable check with a stricter                            FS comparison.
* subversion/libsvn_fs/fs-loader.c
  (svn_fs_node_relation):  As we recently defined different FS instances
                           to imply unrelated notes, we can replace the
                           somewhat fragile vtable check with a stricter
                           FS comparison.

Suggested by: julianfoad

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1574056 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion