Add missing check_alive parameter
diff --git a/esehal/src/libse-gto-private.h b/esehal/src/libse-gto-private.h
index 131b7f3..3912424 100644
--- a/esehal/src/libse-gto-private.h
+++ b/esehal/src/libse-gto-private.h
@@ -49,6 +49,8 @@
     int   spi_nbuffer;
 
     struct t1_state t1;
+
+    uint8_t check_alive;
 };
 
 #include "log.h"