abuild: make licenses a part of -doc packages

abuild

@@ -321,7 +321,7 @@ package() {
 doc() {
 	depends="$depends_doc"
 	local i
-	for i in doc man info html sgml; do
+	for i in doc man info html sgml licenses; do
 		if [ -d "$pkgdir/usr/share/$i" ]; then
 			mkdir -p "$subpkgdir/usr/share"
 			mv "$pkgdir/usr/share/$i" "$subpkgdir/usr/share/"