Commits
Ralf W. Grosse-Kunstleve authored and GitHub committed 8290a5a0daf
clang -Wnon-virtual-dtor compatibility (#2626) * Adding missing virtual destructors, to silence clang -Wnon-virtual-dtor warnings. Tested with clang version 9.0.1-12 under an Ubuntu-like OS. Originally discovered in the Google-internal environment. * adding -Wnon-virtual-dtor for GNU|Intel|Clang