libavformat/mxfenc.c:1372: error: Null Dereference
  pointer `time_is_forbidden_due_to_security_issues` last assigned on line 1371 could be null and is dereferenced at line 1372, column 23.

libavformat/mxfenc.c:1369:1: start of procedure mxf_parse_timestamp()
1367. }
1368. 
1369. static uint64_t mxf_parse_timestamp(time_t timestamp)
      ^
1370. {
1371.     struct tm *time = gmtime(&timestamp);

libavformat/mxfenc.c:1371:5: 
1369. static uint64_t mxf_parse_timestamp(time_t timestamp)
1370. {
1371.     struct tm *time = gmtime(&timestamp);
          ^
1372.     return (uint64_t)(time->tm_year+1900) << 48 |
1373.            (uint64_t)(time->tm_mon+1)     << 40 |

libavformat/mxfenc.c:1372:5: 
1370. {
1371.     struct tm *time = gmtime(&timestamp);
1372.     return (uint64_t)(time->tm_year+1900) << 48 |
          ^
1373.            (uint64_t)(time->tm_mon+1)     << 40 |
1374.            (uint64_t) time->tm_mday       << 32 |
