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-rw-r--r--src/crypto/pkey.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypto/pkey.rs b/src/crypto/pkey.rs
index ac16f478..a04937b3 100644
--- a/src/crypto/pkey.rs
+++ b/src/crypto/pkey.rs
@@ -142,7 +142,7 @@ impl PKey {
let mut mem_bio = try!(MemBio::new());
unsafe {
try_ssl!(ffi::PEM_write_bio_PrivateKey(mem_bio.get_handle(), self.evp, ptr::null(),
- ptr::null_mut(), -1, ptr::null_mut(), ptr::null_mut()));
+ ptr::null_mut(), -1, None, ptr::null_mut()));
}
let buf = try!(mem_bio.read_to_end().map_err(StreamError));