Fix name

Author: slandelle

client/src/main/java/org/asynchttpclient/ResponseBase.java

@@ -28,7 +28,7 @@ protected ResponseBase(HttpResponseStatus status, HttpResponseHeaders headers, L
 
     protected abstract List<Cookie> buildCookies();
 
-    protected Charset calculateCharset(Charset charset) {
+    protected Charset computeCharset(Charset charset) {
 
         if (charset == null) {
             String contentType = getContentType();

client/src/main/java/org/asynchttpclient/netty/NettyResponse.java

@@ -89,7 +89,7 @@ public String getResponseBody() {
 
     @Override
     public String getResponseBody(Charset charset) {
-        return new String(getResponseBodyAsBytes(), calculateCharset(charset));
+        return new String(getResponseBodyAsBytes(), computeCharset(charset));
     }
 
     @Override