build: handle paths like /usr/lib64/pkgconfig for pkg-config
build: handle paths like /usr/lib64/pkgconfig for pkg-config

lubosz/cerbero,sdroege/cerbero,justinjoy/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,justinjoy/cerbero,nirbheek/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,centricular/cerbero,brion/cerbero,multipath-rtp/cerbero,superdump/cerbero,nirbheek/cerbero-old,multipath-rtp/cerbero,fluendo/cerbero,ford-prefect/cerbero,nicolewu/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,brion/cerbero,OptoFidelity/cerbero,EricssonResearch/cerbero,centricular/cerbero,atsushieno/cerbero,sdroege/cerbero,jackjansen/cerbero-2013,cee1/cerbero-mac,nicolewu/cerbero,nzjrs/cerbero,sdroege/cerbero,ylatuya/cerbero,jackjansen/cerbero,justinjoy/cerbero,EricssonResearch/cerbero,GStreamer/cerbero,ramaxlo/cerbero,flexVDI/cerbero,shoreflyer/cerbero,ford-prefect/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,davibe/cerbero,justinjoy/cerbero,EricssonResearch/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,davibe/cerbero,flexVDI/cerbero,GStreamer/cerbero,cee1/cerbero-mac,brion/cerbero,BigBrother-International/gst-cerbero,nirbheek/cerbero-old,GStreamer/cerbero,BigBrother-International/gst-cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,jackjansen/cerbero-2013,nzjrs/cerbero,jackjansen/cerbero-2013,ikonst/cerbero,nicolewu/cerbero,centricular/cerbero,ramaxlo/cerbero,brion/cerbero,ikonst/cerbero,ikonst/cerbero,nzjrs/cerbero,superdump/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,shoreflyer/cerbero,jackjansen/cerbero-2013,superdump/cerbero,nzjrs/cerbero,sdroege/cerbero,flexVDI/cerbero,ramaxlo/cerbero,AlertMe/cerbero,ikonst/cerbero,nzjrs/cerbero,BigBrother-International/gst-cerbero,ramaxlo/cerbero,brion/cerbero,OptoFidelity/cerbero,ramaxlo/cerbero,cee1/cerbero-mac,AlertMe/cerbero,fluendo/cerbero,atsushieno/cerbero,cee1/cerbero-mac,atsushieno/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,fluendo/cerbero,ikonst/cerbero,EricssonResearch/cerbero,ford-prefect/cerbero,OptoFidelity/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,flexVDI/cerbero,GStreamer/cerbero,nirbheek/cerbero-old,jackjansen/cerbero,jackjansen/cerbero-2013,AlertMe/cerbero,EricssonResearch/cerbero,BigBrother-International/gst-cerbero,fluendo/cerbero,BigBrother-International/gst-cerbero,superdump/cerbero,nirbheek/cerbero,nirbheek/cerbero,shoreflyer/cerbero,atsushieno/cerbero,multipath-rtp/cerbero,AlertMe/cerbero,OptoFidelity/cerbero,atsushieno/cerbero,GStreamer/cerbero,sdroege/cerbero,ylatuya/cerbero,AlertMe/cerbero,nirbheek/cerbero,multipath-rtp/cerbero,lubosz/cerbero,centricular/cerbero,lubosz/cerbero,shoreflyer/cerbero,ylatuya/cerbero,flexVDI/cerbero,ford-prefect/cerbero,multipath-rtp/cerbero,jackjansen/cerbero,davibe/cerbero,centricular/cerbero,fluendo/cerbero,lubosz/cerbero,jackjansen/cerbero,ylatuya/cerbero,davibe/cerbero,nirbheek/cerbero-old,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero