libvpx: Fix build avoiding wrong configure argument
libvpx: Fix build avoiding wrong configure argument

centricular/cerbero,centricular/cerbero,sdroege/cerbero,sdroege/cerbero,fluendo/cerbero,justinjoy/cerbero,GStreamer/cerbero,shoreflyer/cerbero,flexVDI/cerbero,atsushieno/cerbero,atsushieno/cerbero,EricssonResearch/cerbero,justinjoy/cerbero,flexVDI/cerbero,OptoFidelity/cerbero,GStreamer/cerbero,justinjoy/cerbero,atsushieno/cerbero,fluendo/cerbero,fluendo/cerbero,nirbheek/cerbero,EricssonResearch/cerbero,EricssonResearch/cerbero,shoreflyer/cerbero,GStreamer/cerbero,fluendo/cerbero,atsushieno/cerbero,OptoFidelity/cerbero,flexVDI/cerbero,multipath-rtp/cerbero,atsushieno/cerbero,OptoFidelity/cerbero,GStreamer/cerbero,centricular/cerbero,sdroege/cerbero,nirbheek/cerbero,OptoFidelity/cerbero,multipath-rtp/cerbero,GStreamer/cerbero,shoreflyer/cerbero,nirbheek/cerbero,justinjoy/cerbero,multipath-rtp/cerbero,multipath-rtp/cerbero,flexVDI/cerbero,flexVDI/cerbero,centricular/cerbero,fluendo/cerbero,EricssonResearch/cerbero,centricular/cerbero,sdroege/cerbero,nirbheek/cerbero,multipath-rtp/cerbero,sdroege/cerbero,EricssonResearch/cerbero,shoreflyer/cerbero,shoreflyer/cerbero