All of ssldirs installation should be done by the install_ssldirs target
All of ssldirs installation should be done by the install_ssldirs target

The Unix build file template didn't do that quite right.

Reviewed-by: Rich Salz <c04971a99e5a9ee80eaab4b1deb37e845b0bd697@openssl.org>

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