Only copy/append shlibs files that actually exists
Only copy/append shlibs files that actually exists

Some packages don't have one and shouldn't have one.

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