fix test target configs, add debug derive

/// Named Curve or Explicit

///

/// This type acts as a boolean as to whether the `EcGroup` is named or explicit.

#[derive(Copy, Clone, PartialEq)]

#[derive(Copy, Clone, Debug, PartialEq)]

pub struct Asn1Flag(c_int);

impl Asn1Flag {

    }

    #[test]

    #[cfg(not(any(ossl102, ossl101)))]

    #[cfg(any(boringssl, ossl111, libressl350))]

    fn asn1_flag() {

        let mut group = EcGroup::from_curve_name(Nid::X9_62_PRIME256V1).unwrap();

        let flag = group.asn1_flag();