message: tests: Fix fuzz_setup.sh
  The script only worked if clang folder was already created.
diff: sudo apt-get --yes install subversion screen gcc g++ cmake ninja-build golang autoconf libtool apache2 python-dev pkg-config zlib1g-dev libgcrypt11-dev
  +mkdir -p clang
  cd clang
  git clone https://chromium.googlesource.com/chromium/src/tools/clang
  cd ..
  