pcap/afpacket: update counters at exit

In really short Suricata runtimes the capture counters would not
be updated. This patch does a force update at the end of the
capture loops in pcap and af-packet.

src/source-af-packet.c

@@ -1101,6 +1101,8 @@ TmEcode ReceiveAFPLoop(ThreadVars *tv, void *data, void *slot)
         SCPerfSyncCountersIfSignalled(tv);
     }
 
+    AFPDumpCounters(ptv);
+    SCPerfSyncCountersIfSignalled(tv);
     SCReturnInt(TM_ECODE_OK);
 }
 

src/source-pcap.c

@@ -346,6 +346,8 @@ TmEcode ReceivePcapLoop(ThreadVars *tv, void *data, void *slot)
         SCPerfSyncCountersIfSignalled(tv);
     }
 
+    PcapDumpCounters(ptv);
+    SCPerfSyncCountersIfSignalled(tv);
     SCReturnInt(TM_ECODE_OK);
 }