warn about outdated app

deltachat-ffi/deltachat.h

@@ -4926,8 +4926,9 @@ void dc_event_unref(dc_event_t* event);
 #define DC_STR_VIDEOCHAT_INVITE_MSG_BODY  83
 #define DC_STR_CONFIGURATION_FAILED       84
 #define DC_STR_BAD_TIME_MSG_BODY          85
+#define DC_STR_UPDATE_REMINDER_MSG_BODY   86
 
-#define DC_STR_COUNT                      85
+#define DC_STR_COUNT                      86
 
 /*
  * @}