cmake: fix build in XP
cmake: fix build in XP

jackjansen/cerbero,ikonst/cerbero,AlertMe/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,flexVDI/cerbero,ford-prefect/cerbero,OptoFidelity/cerbero,brion/cerbero,shoreflyer/cerbero,ikonst/cerbero,nirbheek/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,nirbheek/cerbero-old,fluendo/cerbero,AlertMe/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,nzjrs/cerbero,davibe/cerbero,justinjoy/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,shoreflyer/cerbero,GStreamer/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,ikonst/cerbero,EricssonResearch/cerbero,fluendo/cerbero,atsushieno/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,GStreamer/cerbero,brion/cerbero,ikonst/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,EricssonResearch/cerbero,shoreflyer/cerbero,sdroege/cerbero,ford-prefect/cerbero,nzjrs/cerbero,flexVDI/cerbero,nzjrs/cerbero,superdump/cerbero,jackjansen/cerbero,ramaxlo/cerbero,EricssonResearch/cerbero,ford-prefect/cerbero,EricssonResearch/cerbero,nirbheek/cerbero,jackjansen/cerbero,jackjansen/cerbero,multipath-rtp/cerbero,davibe/cerbero,lubosz/cerbero,multipath-rtp/cerbero,lubosz/cerbero,nzjrs/cerbero,fluendo/cerbero,ikonst/cerbero,flexVDI/cerbero,multipath-rtp/cerbero,atsushieno/cerbero,centricular/cerbero,ramaxlo/cerbero,ramaxlo/cerbero,justinjoy/cerbero,nirbheek/cerbero-old,nzjrs/cerbero,brion/cerbero,EricssonResearch/cerbero,AlertMe/cerbero,ramaxlo/cerbero,GStreamer/cerbero,nirbheek/cerbero,ramaxlo/cerbero,centricular/cerbero,atsushieno/cerbero,OptoFidelity/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,nirbheek/cerbero-old,brion/cerbero,lubosz/cerbero,justinjoy/cerbero,superdump/cerbero,davibe/cerbero,atsushieno/cerbero,shoreflyer/cerbero,justinjoy/cerbero,multipath-rtp/cerbero,superdump/cerbero,AlertMe/cerbero,sdroege/cerbero,centricular/cerbero,flexVDI/cerbero,GStreamer/cerbero,OptoFidelity/cerbero,brion/cerbero,sdroege/cerbero,davibe/cerbero,centricular/cerbero,OptoFidelity/cerbero,superdump/cerbero,sdroege/cerbero,sdroege/cerbero,AlertMe/cerbero,atsushieno/cerbero,fluendo/cerbero,nirbheek/cerbero,fluendo/cerbero,GStreamer/cerbero,flexVDI/cerbero,multipath-rtp/cerbero,centricular/cerbero,lubosz/cerbero,nirbheek/cerbero-old,shoreflyer/cerbero,ford-prefect/cerbero