message: Fix syntax error in bash script.
diff: @@ -25,7 +25,7 @@ then
  fi
  # convert GOPATH's Windows style to UNIX style
  -if [ $1 == "win" ]; then
  +if [[ $1 == "win" ]]; then
  # eg: convert "D:\go-14;D:\go-13" to "D\go-14;D\go-13"
  GOPATH=${GOPATH//:\\/\\}
  # eg: convert "D\go-14;D\go-13" to "\D\go-14:\D\go-13"
  