Fixed parameter mixup in HttpClientParamConfig#getRequestConfig

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1442151 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1307: Future based asynchronous request execution
Contributed by Jilles van Gurp <jilles at jillesvangurp.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1442152 13f79535-47bb-0310-9956-ffa450edef68