follow up the below change: commit 635752389226ad005f52524a933acf864c1a1f8d Author: Xiang Xiao <xiaoxiang@xiaomi.com> Date: Mon Nov 1 12:40:51 2021 +0800 arch: Add _wchar_t typedef like other basic types Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>