GEODE-4339: fix build (#459)
GEODE-4339: fix build (#459)

* Fix dotnet ssl example CMakeLists.txt

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