lib: export key_pair::RsaKeySize

The new `KeyPair::generate_rsa_for` fn is only usable if the
`key_pair::RsaKeySize` type is exported from `lib.rs` since `key_pair`
is a private module.

Author: cpu

rcgen/src/lib.rs

@@ -59,6 +59,8 @@ pub use crl::{
 pub use csr::{CertificateSigningRequestParams, PublicKey};
 pub use error::{Error, InvalidAsn1String};
 use key_pair::PublicKeyData;
+#[cfg(all(feature = "crypto", feature = "aws_lc_rs", not(feature = "ring")))]
+pub use key_pair::RsaKeySize;
 pub use key_pair::{KeyPair, RemoteKeyPair};
 #[cfg(feature = "crypto")]
 use ring_like::digest;