apps/CA.pl.in: restore the quotes around -CAfile, they were there for a reason
apps/CA.pl.in: restore the quotes around -CAfile, they were there for a reason

Reviewed-by: Paul Dale <ddec78389666b4f7c9b4d110380c848489a3e4aa@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15823)

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