zend_max_execution_timer: fix gcc compatibility (php#15447)

Author: zeriyoshi

Zend/zend_max_execution_timer.c

@@ -31,6 +31,10 @@
 #include "zend_globals.h"
 #include "zend_portability.h"
 
+#include "zend.h"
+#include "zend_globals.h"
+#include "zend_portability.h"
+
 #if __has_feature(memory_sanitizer)
 # include <sanitizer/msan_interface.h>
 #endif