Make sure we check the return value of extract_min_max()
Make sure we check the return value of extract_min_max()

Commit 42d7d7dd6 turned this function from returning void to
returning an int error code. This instance of calling it was
missed.

Found by Coverity.

Reviewed-by: Rich Salz <c04971a99e5a9ee80eaab4b1deb37e845b0bd697@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5338)

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