avconv.c:4261: error: Null Dereference
  pointer `today` last assigned on line 4259 could be null and is dereferenced at line 4261, column 69.

avconv.c:4255:1: start of procedure opt_vstats()
4253. }
4254. 
4255. static int opt_vstats(const char *opt, const char *arg)
      ^
4256. {
4257.     char filename[40];

avconv.c:4258:5: 
4256. {
4257.     char filename[40];
4258.     time_t today2 = time(NULL);
          ^
4259.     struct tm *today = localtime(&today2);
4260. 

avconv.c:4259:5: 
4257.     char filename[40];
4258.     time_t today2 = time(NULL);
4259.     struct tm *today = localtime(&today2);
          ^
4260. 
4261.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,

avconv.c:4261:5: 
4259.     struct tm *today = localtime(&today2);
4260. 
4261.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
          ^
4262.              today->tm_sec);
4263.     return opt_vstats_file(opt, filename);
