ios: Unset GAS in the environment explicitly for iOS i386/x86-64
ios: Unset GAS in the environment explicitly for iOS i386/x86-64

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