abuild: fix post check messages

abuild.in

@@ -547,16 +547,16 @@ prepare_subpackages() {
 			$0 $func prepare_package || return 1
 	done
 	# post check
-	i=$(find "$pkgdir" -name '*.la')
+	i=$(find "$pkgdir" -name '*.la' | sed "s|^$pkgdir|\t|")
 	if [ -n "$i" ] && ! options_has "libtool"; then
 		error "Libtool archives (*.la) files found and \$options has no 'libtool' flag:"
-		echo "$i" | sed 's/^/  /'
+		echo "$i"
 		return 1
 	fi
 	# post check for /usr/share/locale
 	if [ -d "$pkgdir"/usr/share/locale ]; then
 		warning "Found /usr/share/locale"
-		warning "Maybe add \$pkgname-lang to subpackages?"
+		warning2 "Maybe add \$pkgname-lang to subpackages?"
 	fi
 	# check directory permissions
 	i=$(find "$pkgdir" -type d -perm -777 | sed "s|^$pkgdir|\t|")