Fix option parsing for --dhcp-host.

CHANGELOG

@@ -40,6 +40,10 @@ version 2.67
 	    Generalise --interface-name to cope with IPv6 addresses
 	    and multiple addresses per interface per address family.
 
+	    Fix option parsing for --dhcp-host, which was generating a
+	    spurious error when all seven possible items were
+	    included. Thanks to Zhiqiang Wang for the bug report.
+ 
 		
 version 2.66
             Add the ability to act as an authoritative DNS

src/option.c

@@ -2510,7 +2510,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
     case 'G':  /* --dhcp-host */
       {
 	int j, k = 0;
-	char *a[6] = { NULL, NULL, NULL, NULL, NULL, NULL };
+	char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL };
 	struct dhcp_config *new;
 	struct in_addr in;
 	
@@ -2522,7 +2522,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
 	new->netid = NULL;
 
 	if ((a[0] = arg))
-	  for (k = 1; k < 6; k++)
+	  for (k = 1; k < 7; k++)
 	    if (!(a[k] = split(a[k-1])))
 	      break;