fixed help

Author: =

hcxnmealog.c

@@ -1115,7 +1115,6 @@ fprintf(stdout, "%s %s (C) %s ZeroBeat\n"
 	"                   PDOP (position -3D- dilution of precision)\n"
 	"                   HDOP (horizontal dilution of precision)\n"
 	"                   VDOP (vertical dilution of precision)\n"
-	"                   VDOP (vertical dilution of precision)\n"
 	"-d <device>    : GPS source\n"
 	"                  use gpsd: gpsd\n"
 	"                  use device: /dev/ttyACM0, /dev/tty/USBx, ...\n"