configure.ac: fix test for PostProcessor, basic Auth, digest Auth for "--enable-xx=val" case
configure.ac: fix test for PostProcessor, basic Auth, digest Auth for "--enable-xx=val" case

git-svn-id: d3d46767b8f15aa15dc28b4413db96165ce057f7@32522 140774ce-b5e7-0310-ab8b-a85725594a96

svn2github/libmicrohttpd,madebyjeffrey/lightning,svn2github/libmicrohttpd,madebyjeffrey/lightning,svn2github/libmicrohttpd,redBorder/libmicrohttpd,redBorder/libmicrohttpd,scottjg/libmicrohttpd,madebyjeffrey/lightning,redBorder/libmicrohttpd,svn2github/libmicrohttpd,scottjg/libmicrohttpd,scottjg/libmicrohttpd,madebyjeffrey/lightning