fix: do not check the size of the packet recvd

src/main.c

@@ -214,7 +214,7 @@ int main(int ac, char **av)
             }
             gettimeofday(&stop, NULL);
         }
-        while (((size_t) ret != recv_packet_size) || (check_reply(&settings.dest.ip, &sender, packet, buffer + sizeof(struct iphdr), packet_size)));
+        while (check_reply(&settings.dest.ip, &sender, packet, buffer + sizeof(struct iphdr), packet_size));
         
         if (((struct icmphdr *) buffer + sizeof(struct iphdr))->type == 0)
             stats.packets_received++;