Fixed finding microhttpd library in WebUI CMakeLists
Fixed finding microhttpd library in WebUI CMakeLists

neilstephens/opendatacon,neilstephens/opendatacon,neilstephens/opendatacon,neilstephens/opendatacon,neilstephens/opendatacon,neilstephens/opendatacon,neilstephens/opendatacon