native windows http get for premium auth

git-svn-id: http://svn.synergy-foss.org/trunk@1938 33c40d52-04ba-11de-a43f-ff96a2b7a9af
fixed: last patch went awry

git-svn-id: http://svn.synergy-foss.org/trunk@1939 33c40d52-04ba-11de-a43f-ff96a2b7a9af