recipes: gettext: Bump to 0.19.4 and depend on libiconv on android
recipes: gettext: Bump to 0.19.4 and depend on libiconv on android

Dependency on libiconv on android ensures it's consistently always
built *after* libiconv

sdroege/cerbero,OptoFidelity/cerbero,AlertMe/cerbero,justinjoy/cerbero,AlertMe/cerbero,multipath-rtp/cerbero,nirbheek/cerbero-old,EricssonResearch/cerbero,lubosz/cerbero,nirbheek/cerbero-old,ikonst/cerbero,flexVDI/cerbero,multipath-rtp/cerbero,OptoFidelity/cerbero,ikonst/cerbero,multipath-rtp/cerbero,lubosz/cerbero,ikonst/cerbero,nirbheek/cerbero,nirbheek/cerbero-old,nzjrs/cerbero,superdump/cerbero,fluendo/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,GStreamer/cerbero,ramaxlo/cerbero,ramaxlo/cerbero,OptoFidelity/cerbero,ford-prefect/cerbero,atsushieno/cerbero,lubosz/cerbero,centricular/cerbero,flexVDI/cerbero,justinjoy/cerbero,EricssonResearch/cerbero,nirbheek/cerbero-old,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,GStreamer/cerbero,jackjansen/cerbero,flexVDI/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,jackjansen/cerbero,nirbheek/cerbero,nzjrs/cerbero,nzjrs/cerbero,jackjansen/cerbero,atsushieno/cerbero,sdroege/cerbero,GStreamer/cerbero,ikonst/cerbero,sdroege/cerbero,centricular/cerbero,AlertMe/cerbero,fluendo/cerbero,nirbheek/cerbero,superdump/cerbero,sdroege/cerbero,multipath-rtp/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,AlertMe/cerbero,shoreflyer/cerbero,ford-prefect/cerbero,fluendo/cerbero,ramaxlo/cerbero,atsushieno/cerbero,EricssonResearch/cerbero,EricssonResearch/cerbero,multipath-rtp/cerbero,ramaxlo/cerbero,jackjansen/cerbero,ford-prefect/cerbero,GStreamer/cerbero,shoreflyer/cerbero,sdroege/cerbero,fluendo/cerbero,AlertMe/cerbero,superdump/cerbero,nzjrs/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,lubosz/cerbero,atsushieno/cerbero,fluendo/cerbero,atsushieno/cerbero,ford-prefect/cerbero,nzjrs/cerbero,shoreflyer/cerbero,centricular/cerbero,ikonst/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,superdump/cerbero,nirbheek/cerbero,flexVDI/cerbero,justinjoy/cerbero,EricssonResearch/cerbero,flexVDI/cerbero,OptoFidelity/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,shoreflyer/cerbero,ramaxlo/cerbero,GStreamer/cerbero,justinjoy/cerbero,centricular/cerbero,centricular/cerbero,shoreflyer/cerbero