Rename end to number

reco.c

@@ -240,7 +240,7 @@ update_reader (UfoTaskNode *reader, Params *params)
 {
     g_object_set (reader,
                   "path", params->radios,
-                  "end", params->num_radios - 1,
+                  "number", params->num_radios - 1,
                   "step", params->radio_step,
                   NULL);
 }