Fix prototype of get_active_function_or_method_name()

Author: kocsismate

Zend/zend_execute.h

@@ -311,7 +311,7 @@ ZEND_API const char *get_active_class_name(const char **space);
 ZEND_API const char *get_active_function_name(void);
 ZEND_API const char *get_active_function_arg_name(uint32_t arg_num);
 ZEND_API const char *get_function_arg_name(const zend_function *func, uint32_t arg_num);
-ZEND_API zend_string *get_active_function_or_method_name();
+ZEND_API zend_string *get_active_function_or_method_name(void);
 ZEND_API zend_string *get_function_or_method_name(const zend_function *func);
 ZEND_API const char *zend_get_executed_filename(void);
 ZEND_API zend_string *zend_get_executed_filename_ex(void);