message: Fix global variables
diff: #!/usr/bin/env groovy
  -// The options we use for the builds.
  -def unix_opts = "-DCAF_NO_PROTOBUF_EXAMPLES:BOOL=yes " +
  +// Builds options on UNIX.
  +unixOpts = "-DCAF_NO_PROTOBUF_EXAMPLES:BOOL=yes " +
  "-DCAF_NO_QT_EXAMPLES:BOOL=yes " +
  "-DCAF_MORE_WARNINGS:BOOL=yes" +
  "-DCAF_ENABLE_ADDRESS_SANITIZER:BOOL=yes" +
  @@ -11,7 +11,8 @@ def unix_opts = "-DCAF_NO_PROTOBUF_EXAMPLES:BOOL=yes " +
  "-DOPENSSL_ROOT_DIR=/usr/local/opt/openssl" +
  "-DOPENSSL_INCLUDE_DIR=/usr/local/opt/openssl"
  -def ms_opts = "-DCAF_BUILD_STATIC_ONLY:BOOL=yes " +
  +// Builds options on Windows.
  +msOpts = "-DCAF_BUILD_STATIC_ONLY:BOOL=yes " +
  "-DCAF_NO_BENCHMARKS:BOOL=yes " +
  "-DCAF_NO_EXAMPLES:BOOL=yes " +
  "-DCAF_NO_MEM_MANAGEMENT:BOOL=yes " +
  @@ -151,7 +152,7 @@ def unixBuild(buildType = 'Debug',
  buildDir: 'build',
  buildType: "$buildType",
  cleanBuild: cleanBuild,
  - cmakeArgs: "$unix_opts $buildOpts",
  + cmakeArgs: "$unixOpts $buildOpts",
  generator: "$generator",
  installation: 'cmake in search path',
  preloadScript: '../cmake/jenkins.cmake',
  @@ -180,7 +181,7 @@ def msBuild(buildType = 'Debug',
  def ret = bat(returnStatus: true,
  script: """cmake -E make_directory build
  cd build
  - cmake -DCMAKE_buildType=${buildType} -G "${generator}" ${ms_opts} ..
  + cmake -DCMAKE_buildType=$buildType -G "$generator" $msOpts ..
  IF /I "%ERRORLEVEL%" NEQ "0" (
  EXIT 1
  )
  