base64: fix build (assuming rust-lang/rust#19594 is merged)

Author: Arcterus

src/base64/base64.rs

@@ -142,6 +142,7 @@ fn decode(input: &mut Reader, ignore_garbage: bool) {
 fn encode(input: &mut Reader, line_wrap: uint) {
     let b64_conf = base64::Config {
         char_set: base64::Standard,
+        newline: base64::LF,
         pad: true,
         line_length: match line_wrap {
             0 => None,
@@ -159,9 +160,8 @@ fn encode(input: &mut Reader, line_wrap: uint) {
     // However, since GNU base64 outputs only LF (presumably because that is
     // the standard UNIX line ending), we strip CRs from the output to maintain
     // compatibility.
-    let output = encoded.replace("\r", "");
 
-    println(output.as_slice());
+    println(encoded.as_slice());
 }
 
 fn help(progname: &str, usage: &str) {