testing/hplip: update config.guess to fix build with aarch64

testing/hplip/APKBUILD

@@ -16,6 +16,11 @@ source="http://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.gz
 	fix-includes.patch"
 builddir="$srcdir"/$pkgname-$pkgver
 
+prepare() {
+	default_prepare
+	update_config_guess
+}
+
 build() {
 	cd "$builddir"
 	./configure --prefix=/usr \