GEODE-2713: Workaround for Solaris Studio C++11 shared_ptr bug.
GEODE-2713: Workaround for Solaris Studio C++11 shared_ptr bug.

- SS C++11 missing explicit bool cast operator.

pivotal-jbarrett/geode-native,mmartell/geode-native,mmartell/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native,mhansonp/geode-native,mhansonp/geode-native,mmartell/geode-native,mhansonp/geode-native,mmartell/geode-native,mhansonp/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native,mmartell/geode-native,mhansonp/geode-native,pivotal-jbarrett/geode-native,pivotal-jbarrett/geode-native