Zend/zend_portability: include php_config.h for HAVE_*

Author: MaxKellermann

Zend/zend_portability.h

@@ -21,6 +21,8 @@
 #ifndef ZEND_PORTABILITY_H
 #define ZEND_PORTABILITY_H
 
+#include "php_config.h" // for HAVE_*
+
 #ifdef __cplusplus
 #define BEGIN_EXTERN_C() extern "C" {
 #define END_EXTERN_C() }