[test suite] additional AFL support for client fwknoprc file and server fwknopd.conf file
[client] disable IP resolution in AFL_FUZZING mode
[client] bug fix to ensure -a overrides IP resolution
[test suite] add multiple stanzas for the fwknoprc AFL test
[test suite] AFL wrapper enhancements (fwknopd conf file fuzzing, use -t 1000 for all fuzzing cycles)
Move #include <sys/wait.h> directive so it is not seen in the windows build