changes.src: correct form is "%idefine ptr $%?"
changes.src: correct form is "%idefine ptr $%?"

Actually do the right thing this time, hopefully...

Signed-off-by: H. Peter Anvin <8a453bad9912ffe59bc0f0b8abe03df9be19379e@linux.intel.com>

techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm,techkey/nasm