Fix some final classes in stubs

Author: kocsismate

ext/hash/hash.stub.php

@@ -50,6 +50,7 @@ function mhash_count(): int {}
 function mhash(int $hash, string $data, string $key = UNKNOWN): string|false {}
 #endif
 
-class HashContext {
+final class HashContext
+{
     private function __construct() {}
 }

ext/mysqli/mysqli.stub.php

@@ -2,7 +2,7 @@
 
 /** @generate-function-entries */
 
-class mysqli_driver
+final class mysqli_driver
 {
 }
 
@@ -510,15 +510,14 @@ public function get_result() {}
 #endif
 }
 
-class mysqli_warning
+final class mysqli_warning
 {
     protected function __construct(object $mysqli_link) {}
 
-    /** @return bool */
-    public function next() {}
+    public function next(): bool {}
 }
 
-class mysqli_sql_exception extends RuntimeException
+final class mysqli_sql_exception extends RuntimeException
 {
 }
 

ext/mysqli/mysqli_arginfo.h

@@ -683,7 +683,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_class_mysqli_warning___construct, 0, 0, 1)
 	ZEND_ARG_TYPE_INFO(0, mysqli_link, IS_OBJECT, 0)
 ZEND_END_ARG_INFO()
 
-#define arginfo_class_mysqli_warning_next arginfo_class_mysqli_character_set_name
+#define arginfo_class_mysqli_warning_next arginfo_mysqli_thread_safe
 
 
 ZEND_FUNCTION(mysqli_affected_rows);