Fix logic operator.

Previous patches on the same subject did not fixed this error as it
was undetected because the code was not compiled on my setup.

src/source-erf-dag.c

@@ -315,7 +315,7 @@ TmEcode ReceiveErfDagLoop(ThreadVars *tv, void *data, void *slot)
 
     while (1)
     {
-        if (suricata_ctl_flags & (SURICATA_STOP || SURICATA_KILL)) {
+        if (suricata_ctl_flags & (SURICATA_STOP | SURICATA_KILL)) {
             SCReturnInt(TM_ECODE_OK);
         }
 

src/source-napatech.c

@@ -210,7 +210,7 @@ TmEcode NapatechFeedLoop(ThreadVars *tv, void *data, void *slot)
     ntv->slot = s->slot_next;
 
     while (1) {
-        if (suricata_ctl_flags & (SURICATA_STOP || SURICATA_KILL)) {
+        if (suricata_ctl_flags & (SURICATA_STOP | SURICATA_KILL)) {
             SCReturnInt(TM_ECODE_OK);
         }
 

src/source-pfring.c

@@ -252,7 +252,7 @@ TmEcode ReceivePfringLoop(ThreadVars *tv, void *data, void *slot)
     ptv->slot = s->slot_next;
 
     while(1) {
-        if (suricata_ctl_flags & (SURICATA_STOP || SURICATA_KILL)) {
+        if (suricata_ctl_flags & (SURICATA_STOP | SURICATA_KILL)) {
             SCReturnInt(TM_ECODE_OK);
         }