Stop returning an Option from cipher description

    }

    /// Returns a textual description of the cipher used

    pub fn description(&self) -> Option<String> {

    pub fn description(&self) -> String {

        unsafe {

            // SSL_CIPHER_description requires a buffer of at least 128 bytes.

            let mut buf = [0; 128];

            let desc_ptr = ffi::SSL_CIPHER_description(self.as_ptr(), buf.as_mut_ptr(), 128);

            if !desc_ptr.is_null() {

                String::from_utf8(CStr::from_ptr(desc_ptr as *const _).to_bytes().to_vec()).ok()

            } else {

                None

            }

            ffi::SSL_CIPHER_description(self.as_ptr(), buf.as_mut_ptr(), 128);

            String::from_utf8(CStr::from_ptr(buf.as_ptr() as *const _).to_bytes().to_vec()).unwrap()

        }

    }

}