Got rid of extra UpdateError

git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@311 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/rdiff_backup/backup.py

@@ -408,7 +408,10 @@ class PatchITRB(rorpiter.ITRBranch):
 		if diff_rorp.isflaglinked():
 			Hardlink.link_rp(diff_rorp, new, self.basis_root_rp)
 		elif diff_rorp.get_attached_filetype() == 'snapshot':
-			if diff_rorp.isspecial(): self.write_special(diff_rorp, new)
+			if diff_rorp.isspecial():
+				self.write_special(diff_rorp, new)
+				rpath.copy_attribs(diff_rorp, new)
+				return 1
 			elif robust.check_common_error(self.error_handler, rpath.copy,
 										   (diff_rorp, new)) == 0: return 0
 		else: