Remove unused variables.

input.c

 	if (!start && !end)
 		return 1;
 	struct tm ltime;
-	struct tm *ltimep = &ltime;
 	time_t timep = time(NULL);
-	ltimep = localtime_r(&timep, ltimep);
+	localtime_r(&timep, &ltime);
 	int seconds = ltime.tm_sec + ltime.tm_min * 60 + ltime.tm_hour * 3600;
 	if (start > end) {
 		if (start >= seconds && end < seconds)

output_write.c

 	CONFIG *conf = _config;
 	OUTPUT *o = conf->output;
 	int buf_in_use = 0;
-	unsigned int o_datasize = 0;
 	struct timeval stats_ts, now;
 	struct timeval start_write_ts, end_write_ts, used_ts;
 	unsigned long long stats_interval;
 			}
 			o->traffic_period = 0;
 			o->padding_period = 0;
-			o_datasize = 0;
 		}
 
 		gettimeofday(&start_write_ts, NULL);