avconv_opt.c:1804: error: Null Dereference
  pointer `today` last assigned on line 1802 could be null and is dereferenced at line 1804, column 69.

avconv_opt.c:1798:1: start of procedure opt_vstats()
1796. }
1797. 
1798. static int opt_vstats(void *optctx, const char *opt, const char *arg)
      ^
1799. {
1800.     char filename[40];

avconv_opt.c:1801:5: 
1799. {
1800.     char filename[40];
1801.     time_t today2 = time(NULL);
          ^
1802.     struct tm *today = localtime(&today2);
1803. 

avconv_opt.c:1802:5: 
1800.     char filename[40];
1801.     time_t today2 = time(NULL);
1802.     struct tm *today = localtime(&today2);
          ^
1803. 
1804.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,

avconv_opt.c:1804:5: 
1802.     struct tm *today = localtime(&today2);
1803. 
1804.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
          ^
1805.              today->tm_sec);
1806.     return opt_vstats_file(NULL, opt, filename);
