dns_resolver: Fix addrinfo entries relocation

src/add-ons/kernel/network/dns_resolver/server/main.cpp

@@ -94,6 +94,7 @@ GetAddrInfo(const char* buffer)
 		}
 
 		addrinfo* next = current->ai_next;
+		if (next != NULL)
 			current->ai_next = reinterpret_cast<addrinfo*>(addrPos) + 1;
 		memcpy(reply + addrPos, current, sizeof(addrinfo));
 		addrPos += sizeof(addrinfo);