avconv_opt.c:1802: error: Null Dereference
  pointer `today` last assigned on line 1800 could be null and is dereferenced at line 1802, column 69.

avconv_opt.c:1796:1: start of procedure opt_vstats()
1794. }
1795. 
1796. static int opt_vstats(void *optctx, const char *opt, const char *arg)
      ^
1797. {
1798.     char filename[40];

avconv_opt.c:1799:5: 
1797. {
1798.     char filename[40];
1799.     time_t today2 = time(NULL);
          ^
1800.     struct tm *today = localtime(&today2);
1801. 

avconv_opt.c:1800:5: 
1798.     char filename[40];
1799.     time_t today2 = time(NULL);
1800.     struct tm *today = localtime(&today2);
          ^
1801. 
1802.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,

avconv_opt.c:1802:5: 
1800.     struct tm *today = localtime(&today2);
1801. 
1802.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
          ^
1803.              today->tm_sec);
1804.     return opt_vstats_file(NULL, opt, filename);
