napatech: Fix packet timestamps

Initialize both seconds and useconds of packet timestamp from napatech
timestamp format.

This commit uses updated macro definitions from util-utime.h to avoid
zero seconds value.

Issue: 6372

src/source-napatech.c

@@ -931,19 +931,19 @@ TmEcode NapatechPacketLoop(ThreadVars *tv, void *data, void *slot)
          */
         switch (NT_NET_GET_PKT_TIMESTAMP_TYPE(packet_buffer)) {
             case NT_TIMESTAMP_TYPE_NATIVE_UNIX:
-                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_USECS(pkt_ts / 100000000),
+                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_SECS(pkt_ts / 100000000),
                         ((pkt_ts % 100000000) / 100) + ((pkt_ts % 100) > 50 ? 1 : 0));
                 break;
             case NT_TIMESTAMP_TYPE_PCAP:
-                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_USECS(pkt_ts >> 32), pkt_ts & 0xFFFFFFFF);
+                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_SECS(pkt_ts >> 32), pkt_ts & 0xFFFFFFFF);
                 break;
             case NT_TIMESTAMP_TYPE_PCAP_NANOTIME:
-                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_USECS(pkt_ts >> 32),
+                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_SECS(pkt_ts >> 32),
                         ((pkt_ts & 0xFFFFFFFF) / 1000) + ((pkt_ts % 1000) > 500 ? 1 : 0));
                 break;
             case NT_TIMESTAMP_TYPE_NATIVE_NDIS:
                 /* number of seconds between 1/1/1601 and 1/1/1970 */
-                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_USECS((pkt_ts / 100000000) - 11644473600),
+                p->ts = SCTIME_ADD_USECS(SCTIME_FROM_SECS((pkt_ts / 100000000) - 11644473600),
                         ((pkt_ts % 100000000) / 100) + ((pkt_ts % 100) > 50 ? 1 : 0));
                 break;
             default: