util/incore update.
util/incore update.

Support cross-compile platforms that don't support FINGERPRINT_premain,
e.g. VxWorks.

Reviewed-by: Richard Levitte <5fb523282dd7956571c80524edc2dccfa0bd8234@openssl.org>

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