Add missing virtual destructor
tree9f8dbb77a09586cf252c1b91ac21011e1d54f36d
-rw-r--r-- 429 .gitignore
-rw-r--r-- 560 .gitmodules
-rw-r--r-- 224 .mailmap
-rw-r--r-- 255 .tgitconfig
drwxr-xr-x - Languages
-rw-r--r-- 2878 build.txt
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - ext
-rw-r--r-- 958 release.txt
drwxr-xr-x - src
drwxr-xr-x - test