Modify default active block range

src/defaultsettings.cpp

@@ -94,7 +94,7 @@ void set_default_settings(Settings *settings)
 	settings->setDefault("enable_mapgen_debug_info", "false");
 	settings->setDefault("objectdata_interval", "0.2");
 	settings->setDefault("active_object_send_range_blocks", "3");
-	settings->setDefault("active_block_range", "5");
+	settings->setDefault("active_block_range", "3");
 	//settings->setDefault("max_simultaneous_block_sends_per_client", "1");
 	// This causes frametime jitter on client side, or does it?
 	settings->setDefault("max_simultaneous_block_sends_per_client", "2");