message: fixing docker quac deploy build, msgpack moved to branch c_master
diff: @@ -11,7 +11,7 @@ run cd /home/dev && apt-get update && apt-get install -y uuid-dev pkg-config \
  && cmake .. -DCMAKE_INSTALL_PREFIX=~/.zmq -DCMAKE_PREFIX_PATH=~/.zmq \
  && make -j$(nproc) install \
  && cd ../.. \
  - && git clone https://github.com/msgpack/msgpack-c/ \
  + && git clone -b c_master https://github.com/msgpack/msgpack-c/ \
  && cd msgpack-c/ && mkdir build && cd build \
  && cmake .. -DCMAKE_INSTALL_PREFIX=~/.zmq \
  && make -j$(nproc) install \
  