node rejoin: rename variable for clarity

repmgr-action-node.c

@@ -2688,7 +2688,7 @@ do_node_rejoin(void)
 	 * sanity-check that it will actually be possible to stream from the new upstream
 	 */
 	{
-		bool can_follow;
+		bool can_rejoin;
 		TimeLineID tli = get_min_recovery_end_timeline(config_file_options.data_directory);
 		XLogRecPtr min_recovery_location = get_min_recovery_location(config_file_options.data_directory);
 
@@ -2702,13 +2702,13 @@ do_node_rejoin(void)
 		if (tli == 0)
 			tli = get_timeline(config_file_options.data_directory);
 
-		can_follow = check_node_can_attach(tli,
+		can_rejoin = check_node_can_attach(tli,
 										   min_recovery_location,
 										   primary_conn,
 										   &primary_node_record,
 										   true);
 
-		if (can_follow == false)
+		if (can_rejoin == false)
 		{
 			PQfinish(primary_conn);
 			exit(ERR_REJOIN_FAIL);