Correction for the fix for Bug 3508 - Persistent storage support breaks Linux compatibility.
A 2nd `make install' will fail attempting to create symlink libnvmemmory.so already created by 1st install.
Install should pre-emptively delete it.
#!/usr/local/bin/python
"""CGI test 3 (persistent data)."""
import cgitb; cgitb.enable()
from wiki import main
if __name__ == "__main__":
main()