Merge pull request #1 from brson/master

Update for language changes

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
         }
     }

pkey.rs

@@ -260,7 +260,7 @@ pub impl PKey {
 
         do vec::as_mut_buf(r) |pr, _len| {
             do vec::as_imm_buf(s) |ps, s_len| {
-                let plen = ptr::addr_of(len);
+                let plen = ptr::addr_of(&len);
 
                 // XXX: 672 == NID_sha256
                 let rv = libcrypto::RSA_sign(

rand.rs

@@ -14,7 +14,7 @@ pub fn rand_bytes(len: uint) -> ~[u8] {
         if r != 1 as c_int { fail }
     }
 
-    unsafe { vec::raw::set_len(out, len); }
+    unsafe { vec::raw::set_len(&mut out, len); }
 
     out
 }