isolinux: spec buffer size is 13h (19), not 13

The El Torito spec says "13", but it's implicitly hexadecimal.  We got
it right in one place and wrong in another.  Fix.

diff --git a/isolinux.asm b/isolinux.asm
index 649bfe0..3a8a6ee 100644 (file)
--- a/isolinux.asm
+++ b/isolinux.asm
@@ -562,7 +562,7 @@ spec_query_failed:
 .test_loop:    pusha
                mov ax,4B01h
                mov si,spec_packet
-               mov byte [si],13                ; Size of buffer
+               mov byte [si],13h               ; Size of buffer
                call int13
                popa
                jc .still_broken