Remove unused variables

src/source-erf-dag.c

@@ -408,7 +408,6 @@ ProcessErfDagRecords(ErfDagThreadVars *ewtn, uint8_t *top, uint32_t *pkts_read)
     int rlen;
     char hdr_type = 0;
     int processed = 0;
-    int packet_q_len = 0;
 
     *pkts_read = 0;
 

src/source-ipfw.c

@@ -228,7 +228,6 @@ TmEcode ReceiveIPFWLoop(ThreadVars *tv, void *data, void *slot)
     struct pollfd IPFWpoll;
     struct timeval IPFWts;
     Packet *p = NULL;
-    uint16_t packet_q_len = 0;
 
     nq = IPFWGetQueue(ptv->ipfw_index);
     if (nq == NULL) {

src/source-napatech.c

@@ -183,7 +183,6 @@ TmEcode NapatechStreamLoop(ThreadVars *tv, void *data, void *slot)
 
     int32_t status;
     char errbuf[100];
-    uint16_t packet_q_len = 0;
     uint64_t pkt_ts;
     NtNetBuf_t packet_buffer;
     NapatechThreadVars *ntv = (NapatechThreadVars *)data;

src/source-pfring.c

@@ -290,7 +290,6 @@ TmEcode ReceivePfringLoop(ThreadVars *tv, void *data, void *slot)
 {
     SCEnter();
 
-    uint16_t packet_q_len = 0;
     PfringThreadVars *ptv = (PfringThreadVars *)data;
     Packet *p = NULL;
     struct pfring_pkthdr hdr;