Fix dl() module unloading in post deactivate

FOREACH_END_DEL() does not call the destructor by itself, we need to
explicitly call it. Due to the missing dtor call the functions were
not unregistered early, which resulted in later shutdown segfaults.

Zend/zend_API.c

@@ -2608,6 +2608,7 @@ ZEND_API void zend_post_deactivate_modules(void) /* {{{ */
 			if (module->type != MODULE_TEMPORARY) {
 				break;
 			}
+			module_destructor(module);
 		} ZEND_HASH_FOREACH_END_DEL();
 	} else {
 		zend_module_entry **p = module_post_deactivate_handlers;