[build] Fix default target in sdsk image

gensdsk currently creates a syslinux.cfg file that is invalid if the
filename ends in lkrn.  Fix by setting the default target to label($b)
instead of filename($g).

Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/util/gensdsk b/src/util/gensdsk
index 9e8361d491dc3482f9058b043d698277629fa44e..fe302d587719d909314fd729f71aabce70415af9 100755 (executable)
--- a/src/util/gensdsk
+++ b/src/util/gensdsk
@@ -48,7 +48,7 @@ do
        g=${g:0:8}.krn
        case "$first" in
        "")
-               echo DEFAULT $g
+               echo DEFAULT $b
                ;;
        esac
        first=$g