Bug#716056: [Mayhem] ldnsutils: numerous input/options parsing errors in example utilities

[Michael Tokarev]

This has been merged in a strange way.  Here are the actual testcases:

 ldns-dpa -f "&"   -- -f for expression, a & b
 ldns-keyfetcher '. .' -v (does not work w/o -v)
 ldns-zcat /dev/null

/mjt