libmad: fix build in iOS ARM
libmad: fix build in iOS ARM

force autoreconf for libtool to pass the arch flags correctly
and use gas-preprocessor

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