Update for language changes

1 files changed, 2 insertions, 2 deletions

diff --git a/pkcs5.rs b/pkcs5.rs
index e5438ea7..8ce32c54 100644
--- a/pkcs5.rs
+++ b/pkcs5.rs
@@ -29,10 +29,10 @@ pub fn pbkdf2_hmac_sha1(pass: &str, salt: &[u8], iter: uint,
                     out_buf);
 
                 if r != 1 as c_int { fail; }
-
-                unsafe { vec::raw::set_len(out, keylen); }
             }
 
+            unsafe { vec::raw::set_len(&mut out, keylen); }
+
             out
         }
     }