GEODE-6160: Properly escape backslashes in .cpackignore (#416)
GEODE-6160: Properly escape backslashes in .cpackignore (#416)

Co-authored-by: Matthew Reddington <5d5fb91969c42352c6dd64b674cfc1f16fed1b39@pivotal.io>
pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native