squelch compiler warnings
squelch compiler warnings

zap.cpp:282:67: error: format not a string literal and no format arguments [-Werror=format-security]
                   fprintf (stderr, EventStrings[STR_DRIVE_IS_BUSY]);
                                                                   ^
zap.cpp:283:71: error: format not a string literal and no format arguments [-Werror=format-security]
                      fprintf (stderr, EventStrings[STR_RU_SURE_TO_ZAP]);
                                                                       ^

barak/raidutils,barak/raidutils,barak/raidutils