Removed unnecessary cast to int

Since Java7 HttpURLConnection offers setFixedLengthStreamingMode method with long parameter which should be prefered over version with int argument, therefore casting ContentLength to int is no longer needed. Moreover it makes impossible to stream payload larger than Integer.MAX_VALUE

Author: mrmaus

spring-web/src/main/java/org/springframework/http/client/SimpleStreamingClientHttpRequest.java

@@ -73,7 +73,7 @@ public URI getURI() {
 	protected OutputStream getBodyInternal(HttpHeaders headers) throws IOException {
 		if (this.body == null) {
 			if (this.outputStreaming) {
-				int contentLength = (int) headers.getContentLength();
+				long contentLength = headers.getContentLength();
 				if (contentLength >= 0) {
 					this.connection.setFixedLengthStreamingMode(contentLength);
 				}