message: Use back-up to download unixODBC
  seems to be often down, causing CI failures
  (github releases
  from official repo seems a good second option to go to
diff: @@ -4,7 +4,8 @@ rm -rf build/unixodbc
  mkdir -p build/unixodbc
  cd build/unixodbc
  mkdir sources build
  -curl http://www.unixodbc.org/unixODBC-2.3.11.tar.gz | tar xvz -C sources --strip-components 1
  +wget http://www.unixodbc.org/unixODBC-2.3.11.tar.gz || wget http://github.com/lurcher/unixODBC/releases/download/2.3.11/unixODBC-2.3.11.tar.gz
  +tar -xf unixODBC-2.3.11.tar.gz -C sources --strip-components 1
  cd sources
  ./configure --prefix `cd ../build; pwd` --disable-debug --disable-dependency-tracking --enable-static --enable-gui=no $@
  make -j install
  \ No newline at end of file
  