LP-109 video gadget: add missing gstreamer dependencies in .drone.yml

.drone.yml

@@ -11,7 +11,7 @@ build:
     - echo -e "[librepilot-mingw]\nSigLevel = Optional TrustAll\nServer = http://download.librepilot.org/repo/mingw" >> /etc/pacman.conf
     - pacman -Syu --noconfirm --noprogressbar --needed git unzip tar mingw-w64-${target}-toolchain mingw-w64-${target}-ccache mingw-w64-${target}-ntldd mingw-w64-${target}-qt5 mingw-w64-${target}-SDL mingw-w64-${target}-mesa mingw-w64-${target}-openssl
     - pacman -Syu --noconfirm --noprogressbar --needed mingw-w64-${target}-gdal-minimal mingw-w64-${target}-OpenSceneGraph mingw-w64-${target}-osgearth
-    - pacman -Syu --noconfirm --noprogressbar --needed mingw-w64-${target}-gstreamer mingw-w64-${target}-gst-plugins-base mingw-w64-${target}-gst-plugins-good mingw-w64-${target}-gst-plugins-bad
+    - pacman -Syu --noconfirm --noprogressbar --needed mingw-w64-${target}-gstreamer mingw-w64-${target}-gst-plugins-base mingw-w64-${target}-gst-plugins-good mingw-w64-${target}-gst-plugins-bad mingw-w64-${target}-gst-plugins-ugly mingw-w64-${target}-gst-libav
     - mingw32-make all_sdk_install
     - git config core.filemode false
     - mingw32-make build-info && cat build/build-info.txt