fix c related integer issues

Author: gweisert

openssl/src/x509/mod.rs

@@ -1852,7 +1852,10 @@ impl X509Crl {
     pub fn new(issuer_cert: &X509) -> Result<Self, ErrorStack> {
         unsafe {
             let crl = cvt_p(ffi::X509_CRL_new())?;
-            cvt(ffi::X509_CRL_set_version(crl, issuer_cert.version() as i64))?;
+            cvt(ffi::X509_CRL_set_version(
+                crl,
+                issuer_cert.version() as c_long,
+            ))?;
             cvt(ffi::X509_CRL_set_issuer_name(
                 crl,
                 issuer_cert.issuer_name().as_ptr(),
@@ -1939,7 +1942,7 @@ impl X509Crl {
                 ffi::NID_crl_number,
                 std::mem::transmute(value.as_ptr()),
                 0,
-                ffi::X509V3_ADD_REPLACE,
+                ffi::X509V3_ADD_REPLACE as std::ffi::c_ulong,
             ))
             .map(|_| ())
         }