php8.1-ast: move files up 1 level

since php put a package.xml in top-level

srcpkgs/php8.1-ast/template

@@ -17,6 +17,10 @@ distfiles="https://pecl.php.net/get/ast-${version}.tgz"
 checksum=ee3d4f67e24d82e4d340806a24052012e4954d223122949377665427443e6d13
 make_check_pre="env NO_INTERACTION=1"
 
+post_extract() {
+	mv ast-$version/* .
+}
+
 pre_configure() {
 	phpize8.1
 }