When testing the value of CCND_TRYFIB env var, treat anything starting with 0, n, or f (case-insensive) as false.
When testing the value of CCND_TRYFIB env var, treat anything starting with 0, n, or f (case-insensive) as false.

The default (for empty or unset) is still false.

cawka/ndnx,ebollens/ccnmp,svartika/ccnx,cawka/ndnx,cawka/ndnx,svartika/ccnx,svartika/ccnx,svartika/ccnx,ebollens/ccnmp,svartika/ccnx,svartika/ccnx,svartika/ccnx,cawka/ndnx,ebollens/ccnmp,ebollens/ccnmp,cawka/ndnx