isolinux: export kaboom

We need to export kaboom in all cases...

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/core/isolinux.asm b/core/isolinux.asm
index f27cd7d..fef3e56 100644 (file)
--- a/core/isolinux.asm
+++ b/core/isolinux.asm
@@ -1016,6 +1016,7 @@ xint13:           mov byte [RetryCount],retry_count
 ; kaboom: write a message and bail out.  Wait for a user keypress,
 ;        then do a hard reboot.
 ;
+               global kaboom
 disk_error:
 kaboom:
                RESET_STACK_AND_SEGS AX