try to fix tracing JIT

Author: dunglas

ext/opcache/ZendAccelerator.c

@@ -4693,6 +4693,9 @@ static int accel_finish_startup(void)
 					zend_accel_error(ACCEL_LOG_WARNING, "Preloading failed to setuid(%d)", pw->pw_uid);
 					exit(1);
 				}
+#ifdef ZEND_TIMER
+				zend_timer_create();
+#endif
 				in_child = 1;
 			} else { /* parent */
 				int status;