Fix crash on TCP DNS request when DNSSEC not enabled.

CHANGELOG

+version 2.70
+            Fix crash, introduced in 2.69, on TCP request when dnsmasq
+	    compiled with DNSSEC support, but running without DNSSEC
+	    enabled. Thanks to Manish Sing for spotting that one.
+
+
 version 2.69
 	    Implement dynamic interface discovery on *BSD. This allows
 	    the contructor: syntax to be used in dhcp-range for DHCPv6

src/forward.c

@@ -1745,7 +1745,7 @@ unsigned char *tcp_request(int confd, time_t now,
 		  struct server *firstsendto = NULL;
 #ifdef HAVE_DNSSEC
 		  unsigned char *newhash, hash[HASH_SIZE];
-		  if ((newhash = hash_questions(header, (unsigned int)size, daemon->keyname)))
+		  if ((newhash = hash_questions(header, (unsigned int)size, daemon->namebuff)))
 		    memcpy(hash, newhash, HASH_SIZE);
 		  else
 		    memset(hash, 0, HASH_SIZE);