Most $EASYRSA_OPENSSL calls where replaced by easyrsa_openssl
calls. When OpenSSL config is needed, easyrsa_openssl generates
a temporary config in tempfiles, incorporating make_ssl_config and
$EASYRSA_EXTRA_EXTS usage.
vars_source_check and verify_ssl_lib use of make_ssl_config was
removed.
'export OPENSSL_CONF' was removed as every openssl call that might
need a conf now uses easyrsa_safessl.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
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