message: Use the proper extension
diff: @@ -160,7 +160,7 @@ def doAndroidBuildInDocker(String abi, String buildType, boolean runTestsInEmula
  sh "./build.sh -o android -a ${abi} -t ${buildType} -v ${gitDescribeVersion}"
  def buildDir = sh(returnStdout: true, script: 'find . -type d -maxdepth 1 -name build-android*').trim()
  dir(buildDir) {
  - archiveArtifacts('*.tgz')
  + archiveArtifacts('*.tar.gz')
  }
  } finally {
  collectCompilerWarnings('gcc', true )
  @@ -212,7 +212,7 @@ def doBuildWindows(String buildType, boolean isUWP, String arch) {
  cmake --build . --config ${buildType}
  cpack -C ${buildType} -D CPACK_GENERATOR=\"TGZ\"
  """
  - archiveArtifacts('*.tgz')
  + archiveArtifacts('*.tar.gz')
  }
  }
  }
  