feat(headers): update to base64 0.5

Cargo.toml

@@ -19,7 +19,7 @@ include = [
 ]
 
 [dependencies]
-base64 = "0.4"
+base64 = "0.5"
 bytes = "0.4"
 futures = "0.1.11"
 futures-cpupool = "0.1"

src/header/common/authorization.rs

@@ -158,7 +158,8 @@ impl Scheme for Basic {
         if let Some(ref pass) = self.password {
             text.push_str(&pass[..]);
         }
-        f.write_str(&encode(text.as_ref()))
+
+        f.write_str(&encode(&text))
     }
 }