avconv_opt.c:1899: error: Null Dereference
  pointer `today` last assigned on line 1897 could be null and is dereferenced at line 1899, column 69.

avconv_opt.c:1893:1: start of procedure opt_vstats()
1891. }
1892. 
1893. static int opt_vstats(void *optctx, const char *opt, const char *arg)
      ^
1894. {
1895.     char filename[40];

avconv_opt.c:1896:5: 
1894. {
1895.     char filename[40];
1896.     time_t today2 = time(NULL);
          ^
1897.     struct tm *today = localtime(&today2);
1898. 

avconv_opt.c:1897:5: 
1895.     char filename[40];
1896.     time_t today2 = time(NULL);
1897.     struct tm *today = localtime(&today2);
          ^
1898. 
1899.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,

avconv_opt.c:1899:5: 
1897.     struct tm *today = localtime(&today2);
1898. 
1899.     snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
          ^
1900.              today->tm_sec);
1901.     return opt_vstats_file(NULL, opt, filename);
