mkimage: Fix munmap() call when importing data

The munmap() call unmaps the wrong memory buffer. Fix it.

Reported-by: Coverity (CID: 138505)
Reported-by: Coverity (CID: 138495)
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed