Updated build-deps for snapcraft.

vlc-ubuntu-xenial/Dockerfile

@@ -2,7 +2,9 @@ FROM videolan-base-xenial:latest
 
 # Don't clean the package lists cache, snapcraft needs it.
 RUN apt-get update && \
-    apt-get install -y git-core make build-essential snapcraft locales && \
+    apt-get install -y git-core make build-essential snapcraft locales \
+    protobuf-compiler && \
+    apt-get build-dep -y vlc && \
     apt-get clean -y && \
     locale-gen en_US.UTF-8 && \
     /usr/sbin/update-locale LANG=en_US.UTF-8