message: fix CHANGE_TARGET
diff: @@ -66,7 +66,7 @@ def clangFormat (scmVars, environment) {
  withEnv(environment) {
  if (env.CHANGE_TARGET){
  sh"""
  - git diff origin/{env.CHANGE_TARGET} --name-only | grep -E '\\.cc|\\.cpp|\\.cxx|\\.C|\\.c++|\\.c\$|\\.CPP|\\.h|\\.hpp|\\.hh|\\.icc' | xargs clang-format -style=file -i || true
  + git diff origin/${env.CHANGE_TARGET} --name-only | grep -E '\\.cc|\\.cpp|\\.cxx|\\.C|\\.c++|\\.c\$|\\.CPP|\\.h|\\.hpp|\\.hh|\\.icc' | xargs clang-format -style=file -i || true
  git diff | tee clang-format-report.txt
  git reset HEAD --hard
  """
  