In build.info, an IF within a clause that's skipped over shouldn't apply
In build.info, an IF within a clause that's skipped over shouldn't apply

If we find an IF within a clause that's skipped over, set it to be
skipped as well.

Reviewed-by: Matt Caswell <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl