libtool: enable for clangarm64

mingw-w64-libtool/PKGBUILD

@@ -8,7 +8,7 @@ pkgver=2.4.6
 pkgrel=20
 pkgdesc="A system independent dlopen wrapper for GNU libtool (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
 url="https://www.gnu.org/software/libtool"
 license=("GPL")
 makedepends=("${MINGW_PACKAGE_PREFIX}-gcc")