Fix Windows list dir handle leak

(cherry picked from commit 40325006b6c08c32b3db9dfd901e54d44b9d4dc3)

drivers/windows/dir_access_windows.cpp

@@ -403,6 +403,8 @@ DirAccessWindows::DirAccessWindows() {
 }
 
 DirAccessWindows::~DirAccessWindows() {
+	list_dir_end();
+
 	memdelete(p);
 }