fixup! Improve error message for deprecated methods

Author: kocsismate

Zend/zend_execute.h

@@ -44,7 +44,7 @@ ZEND_API zend_class_entry *zend_lookup_class(zend_string *name);
 ZEND_API zend_class_entry *zend_lookup_class_ex(zend_string *name, zend_string *lcname, uint32_t flags);
 ZEND_API zend_class_entry *zend_get_called_scope(zend_execute_data *ex);
 ZEND_API zend_object *zend_get_this_object(zend_execute_data *ex);
-extern ZEND_API zend_never_inline ZEND_COLD void ZEND_FASTCALL zend_deprecated_function(const zend_function *fbc);
+ZEND_API zend_never_inline ZEND_COLD void ZEND_FASTCALL zend_deprecated_function(const zend_function *fbc);
 ZEND_API int zend_eval_string(const char *str, zval *retval_ptr, const char *string_name);
 ZEND_API int zend_eval_stringl(const char *str, size_t str_len, zval *retval_ptr, const char *string_name);
 ZEND_API int zend_eval_string_ex(const char *str, zval *retval_ptr, const char *string_name, int handle_exceptions);