vere: make uv_cancel return code check explicit
@@ -693,7 +693,7 @@ u3_disk_exit(u3_disk* log_u)
// shortcircuit cleanup if we cannot
//
if ( (c3y == log_u->ted_o)
- && uv_cancel(&log_u->req_u) )
+ && (0 > uv_cancel(&log_u->req_u)) )
{
// u3l_log("disk: unable to cleanup\r\n");
return;
